I'm not fluent in the SSRS VBA syntax, but that replace looks strange. I think you need only the "inner" parameters, i.e.
But since the error message mentions the VT control character (0x0B), I think you should also be aware that it might only look like a blank. Non-printable control character will often look like a blank in Notepad for example. You'd need something like Notepad++ in order to actually see such control characters.
If so then this should replace the 0x0B character: