starkware-libs
diff --git a/‎crates/cairo-lang-runner/src/casm_run/mod.rs‎
Lines changed: 1 addition & 1 deletion b/‎crates/cairo-lang-runner/src/casm_run/mod.rs‎
Lines changed: 1 addition & 1 deletion
@@ -863,7 +863,7 @@ impl CairoHintProcessor<'_> {
                 self.get_class_hash_at(gas_counter, system_buffer.next_felt252()?.into_owned())
             }),
             "MetaTxV0" => execute_handle_helper(&mut |_system_buffer, _gas_counter| {
-                panic!("Meta transaction is not supported.")
+                fail_syscall!(b"Meta transaction is not supported.")
             }),
             _ => panic!("Unknown selector for system call!"),
         }
Original file line number	Diff line number	Diff line change
`@@ -863,7 +863,7 @@ impl CairoHintProcessor<'_> {`
`863`	`863`	`self.get_class_hash_at(gas_counter, system_buffer.next_felt252()?.into_owned())`
`864`	`864`	`}),`
`865`	`865`	`"MetaTxV0" => execute_handle_helper(&mut \|_system_buffer, _gas_counter\| {`
`866`		`- panic!("Meta transaction is not supported.")`
	`866`	`+ fail_syscall!(b"Meta transaction is not supported.")`
`867`	`867`	`}),`
`868`	`868`	`_ => panic!("Unknown selector for system call!"),`
`869`	`869`	`}`