Common APIs and Return Codes

Table 1 describes the common return codes when a public API is called.

**Table 1** Returned status codes
Status Code	Value	Description
ACLNN_SUCCESS	0	Success.
ACLNN_ERR_PARAM_NULLPTR	161001	Parameter verification error. Parameters contain null pointers which are invalid.
ACLNN_ERR_PARAM_INVALID	161002	Parameter verification error. For example, the two input data types do not meet the data type deduction requirements. To obtain the detailed error messages, call "aclGetRecentErrMsg".
ACLNN_ERR_RUNTIME_ERROR	361001	An error occurs when the API memory calls the NPU Runtime API.
ACLNN_ERR_INNER_XXX	561xxx	An internal error occurs in the API. To obtain the detailed error messages, call "aclGetRecentErrMsg". NOTE: The common internal errors are as follows. For other errors, troubleshoot them based on the error information or contact technical support. (You can obtain logs and then click Link to contact technical support.) 561101 (ACLNN_ERR_INNER_CREATE_EXECUTOR): The API fails to create aclOpExecutor. (Possible cause: OS exception). 561102 (ACLNN_ERR_INNER_NOT_TRANS_EXECUTOR): The API does not call uniqueExecutor ReleaseTo. 561103 (ACLNN_ERR_INNER_NULLPTR): In the aclnn API, the null pointer error occurs.

Parent topic: Common APIs