Bug fixes in ACL\Login and DB\IO\Extended

www/lib/CoreLibs/ACL/Login.php

@@ -885,13 +885,13 @@ class Login
 			$this->acl['show_ea_extra'] = false;
 		}
 		// set the default edit access
-		$this->acl['default_edit_access'] = $_SESSION['UNIT_DEFAULT'];
+		$this->acl['default_edit_access'] = $_SESSION['UNIT_DEFAULT'] ?? null;
 		// integrate the type acl list, but only for the keyword -> level
 		foreach ($this->default_acl_list as $level => $data) {
 			$this->acl['min'][$data['type']] = $level;
 		}
 		// set the full acl list too
-		$this->acl['acl_list'] = $_SESSION['DEFAULT_ACL_LIST'];
+		$this->acl['acl_list'] = $_SESSION['DEFAULT_ACL_LIST'] ?? [];
 		// debug
 		// $this->debug('ACL', $this->print_ar($this->acl));
 	}
@@ -1453,7 +1453,8 @@ EOM;
 	 * checks that the given edit access id is valid for this user
 	 * @param  int|null $edit_access_id edit access id to check
 	 * @return int|null                 same edit access id if ok
-	 *                                  or the default edit access id if given one is not valid
+	 *                                  or the default edit access id
+	 *                                  if given one is not valid
 	 */
 	public function loginCheckEditAccessId(?int $edit_access_id): ?int
 	{
@@ -1463,7 +1464,7 @@ EOM;
 			is_array($_SESSION['UNIT']) &&
 			!array_key_exists($edit_access_id, $_SESSION['UNIT'])
 		) {
-			return (int)$_SESSION['UNIT_DEFAULT'];
+			return $_SESSION['UNIT_DEFAULT'] ?? null;
 		} else {
 			return $edit_access_id;
 		}

www/lib/CoreLibs/DB/Extended/ArrayIO.php

@@ -503,7 +503,7 @@ class ArrayIO extends \CoreLibs\DB\IO
 			// max id, falls INSERT
 			$q = 'SELECT MAX(' . $this->pk_name . ') + 1 AS pk_id FROM ' . $this->table_name;
 			if (is_array($res = $this->dbReturnRow($q))) {
-				$pk_id = $res['pkd_id'];
+				$pk_id = $res['pk_id'];
 			} else {
 				$pk_id = 1;
 			}

www/lib/CoreLibs/Language/Encoding.php

@@ -5,7 +5,7 @@
  * Language\Encoding::__mbMimeEncode -> Convert\MimeEncode::__mbMimeEncode
  * Langauge\Encoding::checkConvertEncoding -> Check\Encoding::checkConvertEncoding
  * Langauge\Encoding::setErrorChar -> Check\Encoding::setErrorChar
- * Langauge\Encoding::getErrorChar -> Encoding::getErrorChar
+ * Langauge\Encoding::getErrorChar -> Check\Encoding::getErrorChar
  * Langauge\Encoding::convertEncoding -> Convert\Encoding::convertEncoding
  */