field symbol has not yet assigned, error key: RFC_ERROR_SYSTEM_FAILURE

[Former Member]

Hello,

I'm trying to integrate ESS in my EP. I working with address, personal data , bank details and family depented but I get the following error: "field symbol has not yet assigned, error key: RFC_ERROR_SYSTEM_FAILURE"

Can somebody tell me where I should start work in?

Thanks in advance!

[Former Member]

It was solved updating our BPs...