abaqus做熱沖壓成型過程中 總是出現相同的報錯,已經一個星期無法解決了。希望有大神幫忙看一下

這個問題已經困擾我一個星期了,沖壓的過程就是上模向下運動到板料成型為止,同時在模具水道內壁設置固定溫度來散熱,然后就一直報錯了。真心不知道這個set168是個什么錯誤,麻煩大家幫我看看,報錯的文字如下“
The job "1202-43" has been created.
The job input file "1202-43.inp" has been submitted for analysis.
Error in job 1202-43: in keyword *ADAPTIVEMESH, file "1202-43.inp", line 5463: Unknown assembly set _PICKEDSET168
Error in job 1202-43: ELEMENT SET ASSEMBLY__PICKEDSET168 HAS NOT BEEN DEFINED
Error in job 1202-43: ADAPTIVE MESH HAS BEEN SPECIFIED ON ELSET ASSEMBLY__PICKEDSET168 BUT THIS ELSET HAS NOT BEEN DEFINED
Job 1202-43: Analysis Input File Processor aborted due to errors.
Error in job 1202-43: Analysis Input File Processor exited with an error.
Job 1202-43 aborted due to errors.

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