Fatal error: Uncaught Error: Undefined constant "submit" in /volume1/web/Immo/modules/membres/Cconnexion.php on line 36

Error: Undefined constant "submit" in /volume1/web/Immo/modules/membres/Cconnexion.php on line 36

Call Stack:
    0.0000     360656   1. {main}() /volume1/web/Immo/index.php:0
    0.0670     389400   2. include('/volume1/web/Immo/modules/membres/Cconnexion.php') /volume1/web/Immo/index.php:21