What does the new warning message about deleted MDSs/basic substances mean?
Ans: With Release 2.1.1 there is a new warning message about deleted MDSs or basic substances on the tree. Deleted MDSs MDSs can be deleted by all users for a variety of reasons. If such a deleted MDS is referenced in another MDS a warning message comes up when somebody tries to send or check this respective MDS containing a deleted MDS. However, the MDS can nonetheless be sent. Deleted basic substances In rare cases also basic substances are deleted from the IMDS. This is carried out when the basic substance is available in IMDS in a wrong way (e.g. as a duplicate). Then one of the two duplicates will be left in the system but logically deleted in order to keep existing references in those MDSs using this basic substance. Additionally, the second version of this duplicate remains in the system and can be used as before. This has been known to upload/download users, but with this release 2.1.1. Every user is made aware. For the deleted substances, the CAS number will still be in the sy
