Error with SMS application

And also already download sample program from web below

https://support.industry.siemens.com/cs/document/40616248?dti=0&lc=en-WW

But after compile the program

·         Some error is appearing. the error is at the S_CONV, at the string part. You can refer to picture below

·         Refer to the program. It said “### don´t change anything here ###”

·         1 more thing, where are those cord come from ('ATE0$R') , ('$R$LOK'), and more of them “refer to picture below” 

I hope you can help me solve this problem

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Split from SMS Application to Third Party Moderm.

Closed cause question posted twice.
The second thread with the subject  SMS configuration in TIA s7-1200 is published within the conference Communication / Networks.