Single low error depends_on:POLARSSL_AES_C error_strerror:-0x0020:"AES - Invalid key length" Single high error depends_on:POLARSSL_RSA_C error_strerror:-0x4080:"RSA - Bad input parameters to function" Low and high error depends_on:POLARSSL_AES_C:POLARSSL_RSA_C error_strerror:-0x40A0:"RSA - Bad input parameters to function \: AES - Invalid key length" Non existing high error error_strerror:-0x8880:"UNKNOWN ERROR CODE (8880)" Non existing low error error_strerror:-0x0001:"UNKNOWN ERROR CODE (0001)" Non existing low and high error error_strerror:-0x8881:"UNKNOWN ERROR CODE (8880) \: UNKNOWN ERROR CODE (0001)"