彈簧采用beam單元和殼單元采用*CONTACT_TIED_SHELL_EDGE_TO_SURFACE固連接觸時出現(xiàn)如下錯誤，請問有遇到過的朋友或?qū)＜医o說說，謝謝

massless node 269862 on the slave side of surface 8 type 7 This could be lead to a segment with no parent element defined.

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