[OpenSIPS-Users] Help with transformation.

[Sergio Gutierrez]

Hello everybody.

I have a routing block with the following commands:

        avp_db_query("select uuid from usr_preferences where value = '$rU'",
"$avp(s:test)");

        if($(avp(s:test){s.len}) != 0)
        {
                xlog("L_INFO", "found\n");
                setflag(4);
        }
        else
        {
                xlog("L_INFO", "not found\n");
        };

        avp_delete("$avp(s:test)/g");

When query returns 0 rows, this error appears in log:

Sep 12 17:24:11 [663] CRITICAL:core:comp_scriptvar: cannot get left var
value.

Is there a way to avoid it?

Thanks in advance for your help and attention.

Kind Regards.

Sergio Gutiérrez.
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