When using a multi-line comment the right bracket } has not been typed.
Add the right bracket } where required.
Sub UserProc;
Begin
{Next see the main program code.
The calculation is performed here.
End Sub UserProc ;
When the specified code is compiled, the following error is displayed: Multi-line comment is not complete. The } character is expected. To resolve the error, add the right bracket } at the end of the text.
See also: