The following patches will fix the issue depending on the product installed on the system:
For LoadRunner 12.50 full installation – download and install the attached patch LR_03621
For VuGen stand-alone 12.50 – download and install the attached patch LRVUG_00209
For Performance Center 12.50:
Download the zip file PC.zip
Back up the SapGuiReplay.dll, SapGuiReplayEvents.dll and SAPReplayContextManager.dll from the bin folder.
Extract the zip file to the bin folder.