No convergence of nonlinear problem and Matrix is not positive definite

[jokiller70]

Why wont this super simple model calculate?

[Rafal.Gaweda]

Check buckling first

[jokiller70]

Same problem...

[Rafal.Gaweda]

Delete both releases (in fact not used) and block RZ in support.

[jokiller70]

Why aren´t they used?

[Rafal.Gaweda · Accepted solution]

Sorry , my mistake

Not correct nl function in fact ; why - I do not know

Corrected file attached