| done | 
| --> Export RKNN model | 
| done | 
| --> Init runtime environment | 
| I NPUTransfer: Starting NPU Transfer Client, Transfer version 2.1.0 (b5861e7@2020-11-23T11:50:36) | 
| E RKNNAPI: rknn_init,  msg_load_ack fail, ack = 1(ACK_FAIL), expect 0(ACK_SUCC)! | 
| E RKNNAPI: ============================================== | 
| E RKNNAPI: RKNN VERSION: | 
| E RKNNAPI:   API: 1.7.1 (566a9b6 build: 2021-10-28 14:53:41) | 
| E RKNNAPI:   DRV: 1.2.0 (57b1656 build: 2019-09-04 09:27:47) | 
| E RKNNAPI: ============================================== | 
| E Catch exception when init runtime! | 
| E Traceback (most recent call last): | 
| E   File "rknn/api/rknn_base.py", line 897, in rknn.api.rknn_base.RKNNBase.init_runtime | 
| E   File "rknn/api/rknn_runtime.py", line 341, in rknn.api.rknn_runtime.RKNNRuntime.build_graph | 
| E Exception: RKNN init failed. error code: RKNN_ERR_MODEL_INVALID | 
| E Please feedback the detailed log file <log_feedback_to_the_rknn_toolkit_dev_team.log> to the RKNN Toolkit development team. | 
|  | 
| E Current device id is: TB-RK1808S0 | 
| E Devices connected: | 
| E ['TB-RK1808S0']
 
 |