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hi SPM users, i am working on DCM of a emotion task to see the causal connections between Amygdala, fusiform and inferior frontal gyrus (ifg). When performing estimation, the DCM just stops and gets stuck at the "convergence" after the iteration of EM.....i have used DCM earlier on windows machine and never had this issue......currently, i am working on Linux and using DCM on it, and this problem started.... just wondering if anyone linux/unix users came across this issue and any idea how to work across this thanks kk