RPGLE fails when typing a procedure in a specific way

[wimjongman]

How to reproduce

• Open a new RPGLE
• type **free
• type %scan(code);
• insert colon before 'code': %scan(:code);
• Error

**free
%scan(:code);

Output [Error - 12:42:12 PM] Request textDocument/signatureHelp failed. Message: Request textDocument/signatureHelp failed with message: Cannot read properties of undefined (reading 'range') Code: -32603