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Powerbuillder runtime error r0021 while referencing a global external variable

Nikhil Dhuri
Nikhil Dhuri asked
Last Modified: 2020-09-18
I have declare a global exernal variable as
 Function long SMSTEST (string numbers,string Messages) library "ClassLibrary1.dll" ALIAS FOR "SMSTEST"

and i have called the function on a button's clicked event as below
string ls_number,ls_message
long ll_result

ls_message="Hello World"

ll_result=SMSTEST(ls_number, ls_message)


I am getting the following error runtime
Error calling external function SMSTEST
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I have recommended this question be closed as follows:

Accept: Deepak Vasudevan (https:#a42816917)

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