IDL Problem Code `0` with alias `not-closed`

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Execution Error

This is a fatal error that prevents IDL from compiling or running code

This problem code appears when a statement, expression, or syntax is not properly closed.

For example, this error can be detected from function calls missing a closing parentheses:

idl

a = myFunc(42
            ; ^^^ not closed

Or when compound/block statements don't have an end:

idl


; main level program

if !true then begin
  lifeMeaning = 42

; ^^^ no "endif" detected
end

IDL Problem Code 0 with alias not-closed ​