System.ServiceModel.FaultException`1[ABC.iVendAPI.APIException]: The type initializer for 'CXS.Retail.API.IntegrationService' threw an exception. (Fault Detail is equal to GoodsControlImport.iVendAPI.APIException)
Solution:
Updateupdate SecSecurityUser set Password='555BjkhiNWnXXip7Ca6I7Zt3sSakRbn/ncaYmgjvoHk=' where id='iVendAPI'