壓接端子在壓接后進行回彈分析時，去除掉模具，對變形端子進行數據傳遞分析回彈。把與模具之間的接觸作用和載荷都刪掉，采用靜力，通用分析，出現下面的錯誤。要怎么解決？

Too many attempts made for this increment。（這個是報錯程序）

下面的是出現的警告

Displacement increment for contact is too big.（這個出現好多次）

The strain increment has exceeded fifty times the strain to cause first yield at 310 points（這個也出現好多次）

The strain increment is so large that the program will not attempt the plasticity calculation at 8 points （這個也出現好多次）

Excessive distortion at a total of 16 integration points in solid (continuum) elements （這個也出現好多次）

The system matrix has 63 negative eigenvalues.

Solver problem. Numerical singularity when processing node TERMINAL-1.136 D.O.F. 1 ratio = 100.E+09    .

Material/behavior grip has been redefined in the current analysis. Care must be taken to ensure that a consistent state can be maintained during the import procedure.