SAP Message RECAAP096 - Internal error when implementing extension (see long text)

Diagnosis
An internal error occurred during the implementation of acustomer-specific enhancement. An API module was called with an initialobject reference (parameter IO_OBJECT).
The API modules are functionmodules and begin with API_RE_.

Procedure
Within the BAdI implementation, transfer the parameter IO_OBJECTfrom the BAdI method directly to the API module.