the 3,7% process is missing for me in the production chain, I have 3.2 and 4.2 but not 3.7, have anyone else had this problem?

Please phrase clearly when you ask for help. What do you mean by "the 3.7% process?" Are you referring to enrichment chain or turning the fuel pellet into fuel assemblies ...

the 3,7% process is missing for me in the production chain, I have 3.2 and 4.2 but not 3.7, have anyone else had this problem?