Bug fix in edit user control array for custom error example data missing

src/Output/Form/Generate.php

@@ -1371,7 +1371,7 @@ class Generate
 							) {
 								$this->msg .= sprintf(
 									$this->l->__('Please enter a valid (%s) input for the <b>%s</b> Field!<br>'),
-									$this->dba->getTableArray()[$key]['error_example'],
+									$this->dba->getTableArray()[$key]['error_example'] ?? '[MISSING]',
 									$this->dba->getTableArray()[$key]['output_name']
 								);
 							}
@@ -2602,7 +2602,7 @@ class Generate
 			}
 		}
 		// add lost error ones
-		$this->log->error('P: ' . $data['prefix'] . ', '
+		$this->log->error('Prefix: ' . $data['prefix'] . ', '
 			. Support::prAr($_POST['ERROR'][$data['prefix']] ?? []));
 		if ($this->error && !empty($_POST['ERROR'][$data['prefix']])) {
 			$prfx = $data['prefix']; // short

src/Output/Form/TableArrays/EditUsers.php

@@ -182,6 +182,7 @@ class EditUsers implements Interface\TableArraysInterface
 					'type' => 'text',
 					'error_check' => 'unique|custom',
 					'error_regex' => "/^[A-Za-z0-9]+$/",
+					'error_example' => "ABCdef123",
 					'emptynull' => 1,'min_edit_acl' => '100',
 					'min_show_acl' => '100',
 				],