各位大神，求解释未解之谜

下面这些代码表明错在哪里了啊？为什么一直显示错误20389啊？expanding memory to 609561 material, node and element data
expanding memory to 615668 material properties
expanding memory to 4239502 element data for composite material
expanding memory to 8592176 gradient of damage data
expanding memory to 19429634 user control for contact interfaces
expanding memory to 19429650 boundary conditions
contracting memory to 19429630 for boundary cond. vectorization
expanding memory to 19903494 arbitrary element numbering input
expanding memory to 20057928 solid element data
*** Error 20389 (STR+389)
thin shell element 0
has been assigned a material number 578
that is not flagged as a thin shell material
*** Error 20389 (STR+389)
thin shell element 0
has been assigned a material number 578
that is not flagged as a thin shell material
*** Error 20389 (STR+389)
thin shell element 0
has been assigned a material number 578
that is not flagged as a thin shell material
*** Error 20389 (STR+389)
thin shell element 0
has been assigned a material number 578
that is not flagged as a thin shell material