Hi Guys,
I have a check for NULL for $tu var in the script, But when the value is
missing I'm getting the following error.
ERROR:core:comp_scriptvar: cannot get left var value
WARNING:core:do_action: error in expression at /etc/opensips/opensips.cfg:806
and line 806 contains following.
if ( $tu != NULL ) {
remove("location","$tu");
}
any suggestion on how to test for NULL values without getting above error. I'm
using opensips 2.3.5
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