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We are trying to build a database and I get an error message that says “Inconsistency in NRMOL in FRBIO”, and then the program crashes. What is going on?

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We are trying to build a database and I get an error message that says “Inconsistency in NRMOL in FRBIO”, and then the program crashes. What is going on?

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MCASE cannot build a database if two or more records share the same CAS number. This is the cause for the inconsistency. The only exception is that duplicate records are allowed having zero (0) for the CAS number. To correct the problem, you must edit the Dnn.dat file and locate the entries that share the same CAS number, then you must either delete all except one of the duplicated entries, or change the CAS numbers for the duplicated entries to zero.

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