diff --git a/app/src/main/java/fr/sanchezm/attestationsCovid19/ui/qrcode/QrCodeViewModel.kt b/app/src/main/java/fr/sanchezm/attestationsCovid19/ui/qrcode/QrCodeViewModel.kt
index 600c58d..099d10c 100644
--- a/app/src/main/java/fr/sanchezm/attestationsCovid19/ui/qrcode/QrCodeViewModel.kt
+++ b/app/src/main/java/fr/sanchezm/attestationsCovid19/ui/qrcode/QrCodeViewModel.kt
@@ -5,6 +5,7 @@ import android.view.View
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
+import fr.sanchezm.attestationsCovid19.R
 import fr.sanchezm.attestationsCovid19.data.db.entity.Attestation
 import fr.sanchezm.attestationsCovid19.data.repository.AttestationRepository
 import fr.sanchezm.attestationsCovid19.data.repository.ConfigRepository
@@ -28,6 +29,7 @@ class QrCodeViewModel(
 
     private val _startActivity = MutableLiveData<Event<Long>>()
     private val _finish = MutableLiveData<Event<Boolean>>()
+    private val _error = MutableLiveData<Event<Int>>()
 
     val attestation: LiveData<Attestation> = _attestation
 
@@ -40,6 +42,7 @@ class QrCodeViewModel(
 
     val startActivity: LiveData<Event<Long>> = _startActivity
     val finish: LiveData<Event<Boolean>> = _finish
+    val error: LiveData<Event<Int>> = _error
 
     fun addData(createAt: Long, toCreate: Boolean) {
         val att = attestationRepository.getAttestation(createAt)
@@ -69,6 +72,8 @@ class QrCodeViewModel(
             ) { success ->
                 if (success)
                     displayQrCode()
+                else
+                    _error.value = Event(R.string.error_failed_create_pdf)
             }
         }
     }
diff --git a/app/src/main/java/fr/sanchezm/attestationsCovid19/utilities/PdfUtils.kt b/app/src/main/java/fr/sanchezm/attestationsCovid19/utilities/PdfUtils.kt
index 6f24a70..f254de8 100644
--- a/app/src/main/java/fr/sanchezm/attestationsCovid19/utilities/PdfUtils.kt
+++ b/app/src/main/java/fr/sanchezm/attestationsCovid19/utilities/PdfUtils.kt
@@ -33,14 +33,17 @@ class PdfUtils private constructor(
             val acroForm = docCatalog.acroForm
 
             // Adding data
-            setFieldsData(acroForm, attestation)
-            setCheckboxFields(acroForm, attestation)
-            addPageWithQrCode(document, attestation)
+            if (setFieldsData(acroForm, attestation)) {
+                setCheckboxFields(acroForm, attestation)
+                addPageWithQrCode(document, attestation)
 
-            Log.v("PdfUtils", "Save File to ${getPath(attestation.createAt)}")
-            document.save(getPath(attestation.createAt))
-            document.close()
-            callback(true)
+                Log.v("PdfUtils", "Save File to ${getPath(attestation.createAt)}")
+                document.save(getPath(attestation.createAt))
+                document.close()
+                callback(true)
+            } else {
+                callback(false)
+            }
         } catch (e: IOException) {
             e.printStackTrace()
             callback(false)
@@ -106,29 +109,34 @@ class PdfUtils private constructor(
 
     }
 
-    private fun setFieldsData(acroForm: PDAcroForm, attestation: Attestation) {
+    private fun setFieldsData(acroForm: PDAcroForm, attestation: Attestation): Boolean {
         val profile = attestation.profile
 
-        // Init Fields
-        val namesField = acroForm.getField("Nom et prénom") as PDTextField
-        val birthdayField = acroForm.getField("Date de naissance") as PDTextField
-        val birthPlaceField = acroForm.getField("Lieu de naissance") as PDTextField
-        val addressField = acroForm.getField("Adresse actuelle") as PDTextField
-        val cityField = acroForm.getField("Ville") as PDTextField
-        val dateField = acroForm.getField("Date") as PDTextField
-        val hourField = acroForm.getField("Heure") as PDTextField
-        val minutesField = acroForm.getField("Minute") as PDTextField
+        try {
+            // Init Fields
+            val namesField = acroForm.getField("Nom et prénom") as PDTextField
+            val birthdayField = acroForm.getField("Date de naissance") as PDTextField
+            val birthPlaceField = acroForm.getField("Lieu de naissance") as PDTextField
+            val addressField = acroForm.getField("Adresse actuelle") as PDTextField
+            val cityField = acroForm.getField("Ville") as PDTextField
+            val dateField = acroForm.getField("Date") as PDTextField
+            val hourField = acroForm.getField("Heure") as PDTextField
+            val minutesField = acroForm.getField("Minute") as PDTextField
 //            val signatureField = acroForm.getField("Signature") as PDTextField
 
-        namesField.value = "${profile.firstName} ${profile.lastName}"
-        birthdayField.value = profile.birthday
-        birthPlaceField.value = profile.birthPlace
-        addressField.value = "${profile.address} ${profile.postalCode} ${profile.city}"
-        cityField.value = profile.city
-        dateField.value = attestation.exitDate
-        hourField.value = attestation.exitHour.split("h")[0]
-        minutesField.value = attestation.exitHour.split("h")[1]
-
+            namesField.value = "${profile.firstName} ${profile.lastName}"
+            birthdayField.value = profile.birthday
+            birthPlaceField.value = profile.birthPlace
+            addressField.value = "${profile.address} ${profile.postalCode} ${profile.city}"
+            cityField.value = profile.city
+            dateField.value = attestation.exitDate
+            hourField.value = attestation.exitHour.split("h")[0]
+            minutesField.value = attestation.exitHour.split("h")[1]
+            return true
+        } catch (e: Exception) {
+            Log.e(TAG, "${e.message}")
+        }
+        return false
     }
 
     private fun setCheckboxFields(acroForm: PDAcroForm, attestation: Attestation) {
@@ -150,6 +158,7 @@ class PdfUtils private constructor(
         private var instance: PdfUtils? = null
         private val LOCK = Any()
         private const val folderPath = "attestations"
+        private val TAG = PdfUtils::class.simpleName
 
         fun getInstance() = instance
 
diff --git a/app/src/main/res/values/errors.xml b/app/src/main/res/values/errors.xml
new file mode 100644
index 0000000..066fca2
--- /dev/null
+++ b/app/src/main/res/values/errors.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="error_cannot_create_attestation">Erreur lors de la génération de l\'attestation, tout les champs ne sont pas compléter</string>
+    <string name="error_failed_create_pdf">Erreur lors de la génération de l\'attestion, veuillez vérifiez vos champs ou contacter le développeur.</string>
+
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 32ff0bc..ec8f45e 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -7,7 +7,6 @@
     <!-- Attestation Fragment -->
     <string name="attestation_title">Attestation de déplacement dérogatoire</string>
     <string name="attestation_subtitle">#RestonsChezNous</string>
-    <string name="error_cannot_create_attestation">Erreur lors de la génération de l\'attestation, tout les champs ne sont pas compléter</string>
     <string name="attestation_generated">Attestation générer</string>
     <string name="no_attestation">Aucune attestation, veuillez en générer une.</string>