diff --git a/webapp/components/Registration/RegistrationItemEnterEmail.vue b/webapp/components/Registration/RegistrationItemEnterEmail.vue
index cff86790f..12219633e 100644
--- a/webapp/components/Registration/RegistrationItemEnterEmail.vue
+++ b/webapp/components/Registration/RegistrationItemEnterEmail.vue
@@ -159,19 +159,27 @@ export default {
       if (
         !this.sliderData.sliders[this.sliderIndex].data.request ||
         !this.sliderData.sliders[this.sliderIndex].data.request.variables ||
-        (this.sliderData.sliders[this.sliderIndex].data.request && this.sliderData.sliders[this.sliderIndex].data.request.variables &&
+        (this.sliderData.sliders[this.sliderIndex].data.request &&
+          this.sliderData.sliders[this.sliderIndex].data.request.variables &&
           !this.sliderData.sliders[this.sliderIndex].data.request.variables.is(variables))
-      )
-      {
-        this.sliderData.sliders[this.sliderIndex].data = {...this.sliderData.sliders[this.sliderIndex].data, request: { variables }}
+      ) {
+        this.sliderData.sliders[this.sliderIndex].data = {
+          ...this.sliderData.sliders[this.sliderIndex].data,
+          request: { variables },
+        }
 
         try {
-          const response = await this.$apollo.mutate({ mutation, variables })  // e-mail is send in emailMiddleware of backend
-          this.sliderData.sliders[this.sliderIndex].data = {...this.sliderData.sliders[this.sliderIndex].data, response: response.data}
+          const response = await this.$apollo.mutate({ mutation, variables }) // e-mail is send in emailMiddleware of backend
+          this.sliderData.sliders[this.sliderIndex].data = {
+            ...this.sliderData.sliders[this.sliderIndex].data,
+            response: response.data,
+          }
 
           if (this.sliderData.sliders[this.sliderIndex].data.response) {
             this.sliderData.collectedInputData.emailSend = true
-            const {email: respnseEmail} = this.sliderData.sliders[this.sliderIndex].data.response.Signup || this.sliderData.sliders[this.sliderIndex].data.response.SignupByInvitation
+            const { email: respnseEmail } =
+              this.sliderData.sliders[this.sliderIndex].data.response.Signup ||
+              this.sliderData.sliders[this.sliderIndex].data.response.SignupByInvitation
             this.$toast.success(
               this.$t('components.registration.email.form.success', { email: respnseEmail }),
             )
diff --git a/webapp/components/Registration/RegistrationItemEnterInvite.vue b/webapp/components/Registration/RegistrationItemEnterInvite.vue
index c9cb7f537..6ee90c02c 100644
--- a/webapp/components/Registration/RegistrationItemEnterInvite.vue
+++ b/webapp/components/Registration/RegistrationItemEnterInvite.vue
@@ -91,7 +91,8 @@ export default {
       if (
         !this.sliderData.sliders[this.sliderIndex].data.request ||
         !this.sliderData.sliders[this.sliderIndex].data.request.variables ||
-        (this.sliderData.sliders[this.sliderIndex].data.request && this.sliderData.sliders[this.sliderIndex].data.request.variables &&
+        (this.sliderData.sliders[this.sliderIndex].data.request &&
+          this.sliderData.sliders[this.sliderIndex].data.request.variables &&
           !this.sliderData.sliders[this.sliderIndex].data.request.variables.is(variables))
       ) {
         // this.sliderData.sliders[this.sliderIndex].data.request.variables = variables
@@ -101,14 +102,17 @@ export default {
           const response = await this.$apollo.query({ query: isValidInviteCodeQuery, variables })
           this.sliderData.sliders[this.sliderIndex].data.response = response.data
 
-          if (this.sliderData.sliders[this.sliderIndex].data.response && this.sliderData.sliders[this.sliderIndex].data.response.isValidInviteCode) {
+          if (
+            this.sliderData.sliders[this.sliderIndex].data.response &&
+            this.sliderData.sliders[this.sliderIndex].data.response.isValidInviteCode
+          ) {
             this.$toast.success(
               this.$t('components.registration.invite-code.form.success', { inviteCode }),
             )
           }
         } catch (err) {
           this.sliderData.sliders[this.sliderIndex].data.response = { isValidInviteCode: false }
-          
+
           const { message } = err
           this.$toast.error(message)
         }
diff --git a/webapp/components/Registration/RegistrationSlider.vue b/webapp/components/Registration/RegistrationSlider.vue
index b30bd0519..562f65955 100644
--- a/webapp/components/Registration/RegistrationSlider.vue
+++ b/webapp/components/Registration/RegistrationSlider.vue
@@ -24,7 +24,11 @@
         >
           <!-- Wolle !!! may create same source with 'webapp/pages/registration/signup.vue' -->
           <!-- <signup v-if="publicRegistration" :invitation="false" @submit="handleSubmitted"> -->
-          <registration-item-enter-email  ref="RegistrationItemEnterEmail" :sliderData="sliderData" :invitation="false" />
+          <registration-item-enter-email
+            ref="RegistrationItemEnterEmail"
+            :sliderData="sliderData"
+            :invitation="false"
+          />
         </template>
 
         <template
@@ -201,7 +205,9 @@ export default {
     buttonCallback() {
       if (this.sliderData.sliders[this.sliderIndex].name === 'enter-email') {
         this.$refs.RegistrationItemEnterEmail.handleSubmitVerify()
-        this.sliderData.sliders[this.sliderIndex].button.title = this.enterEmailButtonTitle(this.sliderData.collectedInputData.emailSend)
+        this.sliderData.sliders[this.sliderIndex].button.title = this.enterEmailButtonTitle(
+          this.sliderData.collectedInputData.emailSend,
+        )
       }
 
       if (this.sliderIndex === this.sliderData.sliders.length - 1) {