I noticed the following error(s) reported by Analysis. I am not quite sure when this occurred, but it might have been while I was using an experimental series to do a Rates Analysis. ------------------------------------------ Exception in Tkinter callback Traceback (most recent call last): File "/usr/lib/python2.5/lib-tk/Tkinter.py", line 1403, in __call__ return self.func(*args) File "/home/pvdwel/research/software/ccpnmr/ccpnmr1.0/python/ccpnmr/analysis/CalcRatesPopup.py", line 372, in showNextGroup self.showFunctionFit() File "/home/pvdwel/research/software/ccpnmr/ccpnmr1.0/python/ccpnmr/analysis/CalcRatesPopup.py", line 338, in showFunctionFit title = '.'.join([pd.annotation for pd in refPeak.peakDims if pd.dataDimRef]) TypeError: sequence item 0: expected string, NoneType found Exception in Tkinter callback Traceback (most recent call last): File "/usr/lib/python2.5/lib-tk/Tkinter.py", line 1403, in __call__ return self.func(*args) File "/home/pvdwel/research/software/ccpnmr/ccpnmr1.0/python/ccpnmr/analysis/CalcRatesPopup.py", line 372, in showNextGroup self.showFunctionFit() File "/home/pvdwel/research/software/ccpnmr/ccpnmr1.0/python/ccpnmr/analysis/CalcRatesPopup.py", line 338, in showFunctionFit title = '.'.join([pd.annotation for pd in refPeak.peakDims if pd.dataDimRef]) TypeError: sequence item 0: expected string, NoneType found