this in the logs of presta:
[2020-07-15 11:56:53] request.CRITICAL: Uncaught PHP Exception Symfony\Component\Debug\Exception\UndefinedMethodException:
"Attempted to call an undefined method named "add_ps_carrier" of class "EpackCarrierManager". Did you mean to call e.g. "addEpCarrier" or "addPsCarrier"?"
at /modules/enviopack/classes/EpackConfig.php line 380 {"exception":"[object] (Symfony\\Component\\Debug\\Exception\\UndefinedMethodException(code: 0):
Attempted to call an undefined method named \"add_ps_carrier\" of class \"EpackCarrierManager\".\nDid you mean to call e.g. \"addEpCarrier\" or \"addPsCarrier\"? a
t modules/enviopack/classes/EpackConfig.php:380)"} []