diff --git a/src/services/ProcessorServiceProjectMember.js b/src/services/ProcessorServiceProjectMember.js
index 6bd61db..bb84777 100644
--- a/src/services/ProcessorServiceProjectMember.js
+++ b/src/services/ProcessorServiceProjectMember.js
@@ -65,27 +65,30 @@ async function create (message) {
 
     // sometimes we have issue that when member accepts invitation the invitation is somehow
     // is not removed from the ES, so here we are making sure that invite is removed when we are adding member
-    const addedMember = members[existingMemberIndex]
-    const addedMemberInvites = _.filter(doc._source.invites, (invite) => (
-      invite.email === addedMember.email || invite.userId === addedMember.userId
-    ))
-
-    if (addedMemberInvites.length > 0) {
-      logger.warn(`There are ${addedMemberInvites.length} invite(s) are not yet removed` +
-        ` for member.id: ${addedMember.id} member.userId: ${addedMember.userId}.`)
-
-      for (let i = 0; i < addedMemberInvites.length; i++) {
-        const invite = addedMemberInvites[i]
-        logger.debug(`Removing invite.id: ${invite.id} for member.id: ${addedMember.id} member.userId: ${addedMember.userId}.`)
-        try {
-          const message = { id: invite.id }
-          const updateDocHandler = helper.removeInvitePromise(message)
-          await updateDocHandler(doc)
-          logger.debug(`Successfully removed invite.id: ${invite.id}.`)
-        } catch (err) {
-          logger.error(`Failed removing invite.id: ${invite.id}. ${err}`)
+    try { // make sure that this logic never cause an error in member adding process
+      const invites = _.filter(doc._source.invites, (invite) => (
+        invite.email === member.email || invite.userId === member.userId
+      ))
+
+      if (invites.length > 0) {
+        logger.warn(`There are ${invites.length} invite(s) are not yet removed` +
+          ` for member.id: ${member.id} member.userId: ${member.userId}.`)
+
+        for (let i = 0; i < invites.length; i++) {
+          const invite = invites[i]
+          logger.debug(`Removing invite.id: ${invite.id} for member.id: ${member.id} member.userId: ${member.userId}.`)
+          try {
+            const message = { id: invite.id }
+            const updateDocHandler = helper.removeInvitePromise(message)
+            await updateDocHandler(doc)
+            logger.debug(`Successfully removed invite.id: ${invite.id}.`)
+          } catch (err) {
+            logger.error(`Failed removing invite.id: ${invite.id}. ${err}`)
+          }
         }
       }
+    } catch (err) {
+      logger.error(`Error during removing existent invites for added member: ${err}`)
     }
 
     return _.assign(doc._source, { members })
diff --git a/test/e2e/processor.project.index.test.js b/test/e2e/processor.project.index.test.js
index 3cca122..d251add 100644
--- a/test/e2e/processor.project.index.test.js
+++ b/test/e2e/processor.project.index.test.js
@@ -832,7 +832,7 @@ describe('TC Project Member Topic Tests', () => {
       _.keys(_.omit(projectMemberCreatedMessage.payload, ['resource'])))
   })
 
-  it('create project member message and remove not removed invite', async () => {
+  it('create project member message - already exists - remove not removed invite', async () => {
     // let's say we still have invite
     await ProcessorService.create(projectMemberInviteCreatedMessage)
     let data = await testHelper.getProjectESData(projectId)