diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/profile/local/LocalProfileFragment.kt b/app/src/main/java/info/nightscout/androidaps/plugins/profile/local/LocalProfileFragment.kt
index 2413655124..1675d4986b 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/profile/local/LocalProfileFragment.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/profile/local/LocalProfileFragment.kt
@@ -221,7 +221,7 @@ class LocalProfileFragment : DaggerFragment() {
         }
 
         binding.save.setOnClickListener {
-            if (!localProfilePlugin.isValidEditState()) {
+            if (!localProfilePlugin.isValidEditState(activity)) {
                 return@setOnClickListener  //Should not happen as saveButton should not be visible if not valid
             }
             uel.log(Action.STORE_PROFILE, Sources.LocalProfile, ValueWithUnit.SimpleString(localProfilePlugin.currentProfile()?.name
@@ -261,7 +261,7 @@ class LocalProfileFragment : DaggerFragment() {
 
     private fun updateGUI() {
         if (_binding == null) return
-        val isValid = localProfilePlugin.isValidEditState()
+        val isValid = localProfilePlugin.isValidEditState(activity)
         val isEdited = localProfilePlugin.isEdited
         if (isValid) {
             this.view?.setBackgroundColor(resourceHelper.gc(R.color.ok_background))
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/profile/local/LocalProfilePlugin.kt b/app/src/main/java/info/nightscout/androidaps/plugins/profile/local/LocalProfilePlugin.kt
index 32253598c4..9edee2294e 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/profile/local/LocalProfilePlugin.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/profile/local/LocalProfilePlugin.kt
@@ -24,6 +24,7 @@ import info.nightscout.androidaps.utils.DateUtil
 import info.nightscout.androidaps.utils.DecimalFormatter
 import info.nightscout.androidaps.utils.HardLimits
 import info.nightscout.androidaps.utils.JsonHelper
+import info.nightscout.androidaps.utils.ToastUtils
 import info.nightscout.androidaps.utils.alertDialogs.OKDialog
 import info.nightscout.androidaps.utils.resources.ResourceHelper
 import info.nightscout.androidaps.utils.sharedPreferences.SP
@@ -104,25 +105,62 @@ class LocalProfilePlugin @Inject constructor(
     fun currentProfile(): SingleProfile? = if (numOfProfiles > 0 && currentProfileIndex < numOfProfiles) profiles[currentProfileIndex] else null
 
     @Synchronized
-    fun isValidEditState(): Boolean {
+    fun isValidEditState(activity: FragmentActivity?): Boolean {
         val pumpDescription = activePlugin.activePump.pumpDescription
         with(profiles[currentProfileIndex]) {
-            if (dia < hardLimits.minDia() || dia > hardLimits.maxDia()) return false
-            if (name.isNullOrEmpty()) return false
-            if (blockFromJsonArray(ic, dateUtil)?.any { it.amount < hardLimits.minIC() || it.amount > hardLimits.maxIC() } != false) return false
-            if (blockFromJsonArray(basal, dateUtil)?.any { it.amount < pumpDescription.basalMinimumRate || it.amount > 10.0 } != false) return false
+            if (dia < hardLimits.minDia() || dia > hardLimits.maxDia()) {
+                ToastUtils.errorToast(activity,resourceHelper.gs(R.string.value_out_of_hard_limits, resourceHelper.gs(info.nightscout.androidaps.core.R.string.profile_dia), dia))
+                return false
+            }
+            if (name.isNullOrEmpty()){
+                ToastUtils.errorToast(activity,resourceHelper.gs(R.string.missing_profile_name))
+                return false
+            }
+            if (blockFromJsonArray(ic, dateUtil)?.any { it.amount < hardLimits.minIC() || it.amount > hardLimits.maxIC() } != false) {
+                ToastUtils.errorToast(activity,resourceHelper.gs(R.string.error_in_ic_values))
+                return false
+            }
             val low = blockFromJsonArray(targetLow, dateUtil)
             val high = blockFromJsonArray(targetHigh, dateUtil)
             if (profileFunction.getUnits() == GlucoseUnit.MGDL) {
-                if (low?.any { it.amount < HardLimits.VERY_HARD_LIMIT_TARGET_BG[0].toDouble() || it.amount > HardLimits.VERY_HARD_LIMIT_TARGET_BG[1].toDouble() } != false) return false
-                if (high?.any { it.amount < HardLimits.VERY_HARD_LIMIT_TARGET_BG[0].toDouble() || it.amount > HardLimits.VERY_HARD_LIMIT_TARGET_BG[1].toDouble() } != false) return false
-                if (blockFromJsonArray(isf, dateUtil)?.any { it.amount < HardLimits.MIN_ISF || it.amount > HardLimits.MAX_ISF } != false) return false
+                if (blockFromJsonArray(isf, dateUtil)?.any { it.amount < HardLimits.MIN_ISF || it.amount > HardLimits.MAX_ISF } != false) {
+                    ToastUtils.errorToast(activity,resourceHelper.gs(R.string.error_in_isf_values))
+                    return false
+                }
+                if (blockFromJsonArray(basal, dateUtil)?.any { it.amount < pumpDescription.basalMinimumRate || it.amount > 10.0 } != false)  {
+                    ToastUtils.errorToast(activity,resourceHelper.gs(R.string.error_in_basal_values))
+                    return false
+                }
+                if (low?.any { it.amount < HardLimits.VERY_HARD_LIMIT_TARGET_BG[0].toDouble() || it.amount > HardLimits.VERY_HARD_LIMIT_TARGET_BG[1].toDouble() } != false) {
+                    ToastUtils.errorToast(activity,resourceHelper.gs(R.string.error_in_target_values))
+                    return false
+                }
+                if (high?.any { it.amount < HardLimits.VERY_HARD_LIMIT_TARGET_BG[0].toDouble() || it.amount > HardLimits.VERY_HARD_LIMIT_TARGET_BG[1].toDouble() } != false) {
+                    ToastUtils.errorToast(activity,resourceHelper.gs(R.string.error_in_target_values))
+                    return false
+                }
             } else {
-                if (low?.any { it.amount < Profile.fromMgdlToUnits(HardLimits.VERY_HARD_LIMIT_TARGET_BG[0].toDouble(), GlucoseUnit.MMOL) || it.amount > Profile.fromMgdlToUnits(HardLimits.VERY_HARD_LIMIT_TARGET_BG[1].toDouble(), GlucoseUnit.MMOL) } != false) return false
-                if (high?.any { it.amount < Profile.fromMgdlToUnits(HardLimits.VERY_HARD_LIMIT_TARGET_BG[0].toDouble(), GlucoseUnit.MMOL) || it.amount > Profile.fromMgdlToUnits(HardLimits.VERY_HARD_LIMIT_TARGET_BG[1].toDouble(), GlucoseUnit.MMOL) } != false) return false
-                if (blockFromJsonArray(isf, dateUtil)?.any { it.amount < Profile.fromMgdlToUnits(HardLimits.MIN_ISF, GlucoseUnit.MMOL) || it.amount > Profile.fromMgdlToUnits(HardLimits.MAX_ISF, GlucoseUnit.MMOL) } != false) return false
+                if (blockFromJsonArray(isf, dateUtil)?.any { it.amount < Profile.fromMgdlToUnits(HardLimits.MIN_ISF, GlucoseUnit.MMOL) || it.amount > Profile.fromMgdlToUnits(HardLimits.MAX_ISF, GlucoseUnit.MMOL) } != false) {
+                    ToastUtils.errorToast(activity,resourceHelper.gs(R.string.error_in_isf_values))
+                    return false
+                }
+                if (blockFromJsonArray(basal, dateUtil)?.any { it.amount < pumpDescription.basalMinimumRate || it.amount > 10.0 } != false)  {
+                    ToastUtils.errorToast(activity,resourceHelper.gs(R.string.error_in_basal_values))
+                    return false
+                }
+                if (low?.any { it.amount < Profile.fromMgdlToUnits(HardLimits.VERY_HARD_LIMIT_TARGET_BG[0].toDouble(), GlucoseUnit.MMOL) || it.amount > Profile.fromMgdlToUnits(HardLimits.VERY_HARD_LIMIT_TARGET_BG[1].toDouble(), GlucoseUnit.MMOL) } != false) {
+                    ToastUtils.errorToast(activity,resourceHelper.gs(R.string.error_in_target_values))
+                    return false
+                }
+                if (high?.any { it.amount < Profile.fromMgdlToUnits(HardLimits.VERY_HARD_LIMIT_TARGET_BG[0].toDouble(), GlucoseUnit.MMOL) || it.amount > Profile.fromMgdlToUnits(HardLimits.VERY_HARD_LIMIT_TARGET_BG[1].toDouble(), GlucoseUnit.MMOL) } != false) {
+                    ToastUtils.errorToast(activity,resourceHelper.gs(R.string.error_in_target_values))
+                    return false
+                }
+            }
+            for (i in low.indices) if (low[i].amount > high[i].amount) {
+                ToastUtils.errorToast(activity,resourceHelper.gs(R.string.error_in_target_values))
+                return false
             }
-            for (i in low.indices) if (low[i].amount > high[i].amount) return false
         }
         return true
     }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d4d80e194a..2e4e156c6b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1112,5 +1112,10 @@
     <string name="sms_timeout_while_wating">Timeout while waiting for finish of previous pump communication</string>
     <string name="smscommunicator_another_bolus_in_queue">There is another bolus in queue. Try again later.</string>
     <string name="calculation_in_progress">Calculation in progress</string>
+    <string name="missing_profile_name">Missing profile name</string>
+    <string name="error_in_ic_values">Error in IC vaules</string>
+    <string name="error_in_basal_values">Error in basal values</string>
+    <string name="error_in_target_values">Error in target values</string>
+    <string name="error_in_isf_values">Error in ISF values</string>
 
 </resources>