If another AMPScript extension is installed, an error is received on run and debug.

[ehrmanSFDC]

:red_circle:When running in Visual Studio Code, extensions causing this error may include but are not limited to:

1. MCFS [AMPScript] by Agadzhanov Sergey

:green_circle:The error did not appear when using:

1. AMPscript code snippet by MarketingThibs
2. ampscript-language by xnerd
3. AMPscript Beautifier by FiB

:information_source:Current workaround is to disable the extension, which is causing the issue.