Now I have found this in the Error Logs:
2019-09-10 16:18:16 - database error: AbanteCart core v.1.2.13 SQL Error: Table 'tvwiza_aban964.abeb_banner_stat' doesn't exist
Error No: 1146
SQL: INSERT INTO abeb_banner_stat (`banner_id`, `type`, `store_id`, `user_info`)
VALUES ('24',
'1',
'0',
'a:4:{s:7:\"user_id\";s:0:\"\";s:7:\"user_ip\";s:13:\"81.47.174.209\";s:9:\"user_host\";N;s:2:\"rt\";s:26:\"r/extension/banner_manager\";}') in <b>/home/tvwiza/public_html/shop/core/database/amysqli.php</b> on line <b>109</b>
Any ideas please?