run test.cpp failed 

Assertion failed: (!qap_wit.coefficients_for_H[qap_wit.degree()-2].is_zero()), function r1cs_gg_ppzksnark_prover

libsnark_abc/depends/libsnark/libsnark/zk_proof_systems/ppzksnark/r1cs_gg_ppzksnark/r1cs_gg_ppzksnark.tcc, line 440.