IDL Problem Code 23 with alias duplicate-pro 
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This identifies user-defined procedures that have more than one definition present.
Note that IDL is case insensitive when resolving routines and, once a routine is compiled or on IDL's search path, it can be accessed from anywhere.
Here is an example of problem code and how to fix it:
idl
pro myPro
  ; ^^^^^ duplicate procedure
  ; ... logic here
end
pro myPro
  ; ^^^^^ duplicate procedure
  ; ... logic here
endTo fix, change the name of your routine:
idl
pro myPro1
  ; ... logic here
end
pro myPro2
  ; ... logic here
end