求助，ansys非线性分析时，出现的错误，请教高手

*** ERROR *** SUPPRESSED MESSAGE CP = 4.945 TIME= 09:33:24
Wave loading requires a positive value of ACELZ.

*** WARNING *** CP = 7.706 TIME= 09:35:52
Nodes I and J of element 95 ( COMBIN39 ) are not coincident.

*** WARNING *** CP = 7.706 TIME= 09:35:52
Nodes I and J of element 96 ( COMBIN39 ) are not coincident.

*** WARNING *** CP = 7.706 TIME= 09:35:52
Nodes I and J of element 97 ( COMBIN39 ) are not coincident.

*** WARNING *** CP = 7.706 TIME= 09:35:52
Nodes I and J of element 98 ( COMBIN39 ) are not coincident.

*** WARNING *** CP = 7.706 TIME= 09:35:52
Nodes I and J of element 99 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.706 TIME= 09:35:52
Nodes I and J of element 100 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.722 TIME= 09:35:52
Nodes I and J of element 101 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.722 TIME= 09:35:52
Nodes I and J of element 102 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.722 TIME= 09:35:52
Nodes I and J of element 103 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.722 TIME= 09:35:52
Nodes I and J of element 104 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.722 TIME= 09:35:52
Nodes I and J of element 105 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.722 TIME= 09:35:52
Nodes I and J of element 106 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.722 TIME= 09:35:52
Nodes I and J of element 107 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.722 TIME= 09:35:52
Nodes I and J of element 108 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.722 TIME= 09:35:52
Nodes I and J of element 109 ( COMBIN39 ) are not coincident.

*** WARNING *** SUPPRESSED MESSAGE CP = 7.738 TIME= 09:35:52
Nodes I and J of element 110 ( COMBIN39 ) are not coincident.