From the exception web:
https://skyline.gs.washington.edu/labkey/announcements/home/issues/exceptions/thread.view?rowId=17554
Steps to reproduce:
1. Download file /net/maccoss/vol6/home/nicksh/data/TransitionGroupGetLibraryInfoBug/1595_CaM_BP_2.sky.zip
2. View|Spectral Libraries
3. Add the peptide "ATESGAQ..." (or you could do "Add All Peptides")
Result:
Stack trace:
at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
at pwiz.Skyline.Model.TransitionGroup.GetLibraryInfo(SrmSettings settings, ExplicitMods mods, Boolean useFilter, SpectrumHeaderInfo& libInfo, Dictionary`2 transitionRanks) in C:\proj\skyline_2_6_x64\pwiz_tools\Skyline\Model\TransitionGroup.cs:line 612
at pwiz.Skyline.Model.TransitionGroupDocNode.ChangeSettings(SrmSettings settingsNew, PeptideDocNode nodePep, ExplicitMods mods, SrmSettingsDiff diff) in C:\proj\skyline_2_6_x64\pwiz_tools\Skyline\Model\TransitionGroupDocNode.cs:line 689
at pwiz.Skyline.Model.PeptideDocNode.ChangeSettings(SrmSettings settingsNew, SrmSettingsDiff diff, Boolean recurse) in C:\proj\skyline_2_6_x64\pwiz_tools\Skyline\Model\PeptideDocNode.cs:line 701
at pwiz.Skyline.Model.PeptideGroupDocNode.ChangeSettings(SrmSettings settingsNew, SrmSettingsDiff diff) in C:\proj\skyline_2_6_x64\pwiz_tools\Skyline\Model\PeptideGroupDocNode.cs:line 209
at pwiz.Skyline.Model.SrmDocument.ChangeSettingsInternal(SrmSettings settingsNew) in C:\proj\skyline_2_6_x64\pwiz_tools\Skyline\Model\SrmDocument.cs:line 595
at pwiz.Skyline.Model.SrmDocument.ChangeSettings(SrmSettings settingsNew) in C:\proj\skyline_2_6_x64\pwiz_tools\Skyline\Model\SrmDocument.cs:line 549
at pwiz.Skyline.SettingsUI.ViewLibraryDlg.AddAllPeptides() in C:\proj\skyline_2_6_x64\pwiz_tools\Skyline\SettingsUI\ViewLibraryDlg.cs:line 1461
The bug has something to do with "PredictedMz" and "PredictedMz2" for two different things both being 935.43890297000007