Hi After my latest Aria run, it seems that my project became corrupted (erro below). Aria seems to have used the same number for an existing restraint list. Is there a way to recover this? Thanks David >>> Error loading file for: <ccp.nmr.NmrConstraint.NmrConstraintStore [25]> Reading: <open file '/mnt/s1/dnjones/brian/__C1A_dnmj3/ccp/nmr/NmrConstraint/25+__C1A_dnmj3_dnjones_2011-05-02-18-55-41-189_00001.xml', mode 'r' at 0x14e04128> Last xml tag read: NMRC.NmrConstraintStore.constraintLists Parser state was: postprocessing data Object stack was empty Exception in Tkinter callback Traceback (most recent call last): File "/usr/local/ccpnmr_2.1.5/python2.6/lib/python2.6/lib-tk/Tkinter.py", line 1410, in __call__ return self.func(*args) File "/usr/local/ccpnmr_2.1.5/python2.6/lib/python2.6/lib-tk/Tkinter.py", line 495, in callit func(*args) File "/usr/local/ccpnmr_2.1.5/ccpnmr2.1/python/ccpnmr/analysis/popups/BrowseConstraints.py", line 758, in updateConstraintSets for constraintSet in self.nmrProject.sortedNmrConstraintStores(): File "/usr/local/ccpnmr_2.1.5/ccpnmr2.1/python/ccp/api/nmr/Nmr.py", line 45499, in sortedNmrConstraintStores root.refreshTopObjects('ccp.nmr.NmrConstraint') File "/usr/local/ccpnmr_2.1.5/ccpnmr2.1/python/memops/api/Implementation.py", line 16727, in refreshTopObjects topObject = XmlIO.loadFromFile(self, filePath, partialLoad=True) File "/usr/local/ccpnmr_2.1.5/ccpnmr2.1/python/memops/format/xml/XmlIO.py", line 251, in loadFromFile partialLoad=partialLoad) File "/usr/local/ccpnmr_2.1.5/ccpnmr2.1/python/memops/format/xml/XmlIO.py", line 267, in loadFromStream partialLoad=partialLoad) File "/usr/local/ccpnmr_2.1.5/ccpnmr2.1/python/memops/xml/Implementation.py", line 4921, in loadFromStream linkChildData(delayDataDict, result, mapping, linkTopToParent, doOutOfPackage) File "/usr/local/ccpnmr_2.1.5/ccpnmr2.1/python/memops/xml/Implementation.py", line 5128, in linkChildData + ": %s:%s:%s" % (obj.getQualifiedName(), obj.getParent(), key) ApiError: Cannot add child - key already in use: ccp.nmr.NmrConstraint.NmrConstraintStore:<memops.Implementation.MemopsRoot id:225227436>:25