VL02N error "Enter a sales order for special stock E" in Return STO process for Sales Order Stock

Hi,

we have the following scenario plant A(Distribution Center) ships the stock to plant B(Store) via 2 Step Intra-Company STO-Process. The stock is recieved in the Sales Order Stock of a designated Sales Order. This is working fine, but If I try to reverse the process(in case the recieved stock is damaged for example) I encounter this error message. I am able to create the Returns STO with its delivery document and if I post the GR in the MIGO with Movement Type 161 E I can see in the MB52/MB5T that the stock is actually moved from the Sales Order Stock to Transit. But for some reason the Special Stock Indicator E is retained in transit. When I now try to post the GR in the VL02N with the Movement Type 671 to return the stock to the supplying plant I get the above error message.

Is there a way to make sure the Special Stock Indicator E is not copied to the stock in transit when the 161 E posting is made?

Since the return process for regular stock is working fine, we currently have the workaround of removing the stock from the Sales Order Stock to general usage via Movement Type 411 E before returning it. It would be great if we can ommit that extra step and it would also make it easier to trace the process.

Thank you in advance and kind regards,

Mahmoud