This is in the error log.
PHP Code:
L 07/18/2019 - 23:33:08: [AMXX] Plugin ("ContactSystem.amxx") is setting itself as failed.
L 07/18/2019 - 23:33:08: [AMXX] Plugin says: [nVault Array] Can only use nvault_get_array() on data that was saved using nvault_set_array().
L 07/18/2019 - 23:33:08: [AMXX] Run time error 1 (plugin "ContactSystem.amxx") - forced exit
If you think I can help you in some way with testing or something let me know.