<178.250.***.***> REMOTE_MODULE mysql_user name={{ item.value.projekt | lower }}_{{ item.key }}_{{ stage }} password=VALUE_HIDDEN item.value.password }} host=localhost login_host={{ ansible.fqdn }} priv=*.*:ALL state=present
[...]
msg: this module requires key=value arguments (['name={#', 'item.value.projekt', '|', 'lower', '#}_{#', 'item.key', '#}_{#', 'stage', '#}', 'password={#', 'item.value.password', '#}', 'host=localhost', 'login_host={#', 'ansible.fqdn', '#}', 'priv=*.*:ALL', 'state=present'])