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cannot perform operation instances in session

ceferinos

New member
A user here gets the error cannot perform operation instances in session when redefining a csross-seciton of a part in a drawing. What is the reason for this and what is the solution?
 

magi

New member
if the instance of a part has some error and cant be regenerated then their may be a error whichu described erase all the parts from memory and try out .

egar to know exact solution for this

magi
 

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