Guild war invite on acc

Hello i have problem, on invite guild to war in acc maker. I used TFS 1.5 downgrade my Nekiro, and Znote acc 2.0

Fatal error: Uncaught TypeError: Cannot access offset of type string on string in C:\xamppp\htdocs\guilds.php:735 Stack trace: #0 {main} thrown in C:\xamppp\htdocs\guilds.php on line 735

