3590835 - Transformation cannot be activated due to fieldnames including "/"

The following error occurs in task "Transfer Metadata" or in the After-Import of the BW/4HANA transport when converting an Export DataSource from a different SourceSystem which inlcudes fieldnames including "/" for exmaple /BIC/*

• Object TRFN xxxxxxx: Could not perform metadata transfer.

Checking the new created Transformation by pressing the check button for the affected Transformation, the following errors can occur: 

• Rule (target field: XXX, group:YYY): Formula cannot be compiled.
  Message no. RSTRAN533
• Syntax error in, row XXX (-> long text)
  Message no. RG102
  Diagnosis
  The data object "SOURCE_FIELDS" does not have a component called "/BIC/XXX", but there is...
• No component exists with the name "/BIC/XXX, but there is a component with a similar name "XXX".

• SAP NetWeaver
• SAP BW/4HANA

RSTRAN533; RG102;  , KBA , BW-B4H-CNV-IPL , InPlace Conversion to SAP BW/4HANA , BW-B4H-CNV-RMT , Remote Conversion to SAP BW/4HANA , BW-B4H-CNV-SHL , Shell Conversion to SAP BW/4HANA , How To