Issue #3489993: Added empty check for auto_increment_alter_tables and...

Issue #3489993: Added empty check for auto_increment_alter_tables and auto_increment_alter_content_entities.

Closes #3489993

src/AutoIncrementAlter.php

@@ -70,7 +70,12 @@ abstract class AutoIncrementAlter implements AutoIncrementAlterInterface {
     $alter_data = $this->settings->get('auto_increment_alter_tables');
 
     if (!is_array($alter_data)) {
-      $this->logger->error('The auto_increment_alter_tables setting should be an array.');
+      $this->logger->error('The auto_increment_alter_tables setting is not set.');
+      return;
+    }
+
+    if (count($alter_data) === 0) {
+      $this->logger->error('The auto_increment_alter_tables setting cannot be an empty array.');
       return;
     }
 
@@ -115,7 +120,12 @@ abstract class AutoIncrementAlter implements AutoIncrementAlterInterface {
     $alter_data = $this->settings->get('auto_increment_alter_content_entities');
 
     if (!is_array($alter_data)) {
-      $this->logger->error('The auto_increment_alter_content_entities setting should be an array.');
+      $this->logger->error('The auto_increment_alter_content_entities setting is not set.');
+      return;
+    }
+
+    if (count($alter_data) === 0) {
+      $this->logger->error('The auto_increment_alter_content_entities cannot be an empty array.');
       return;
     }