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--- a/Allura/allura/lib/exceptions.py
+++ b/Allura/allura/lib/exceptions.py
@@ -1,10 +1,12 @@
 class ForgeError(Exception): pass
 class ProjectConflict(ForgeError): pass
+class ProjectOverlimitError(ForgeError): pass
 class ToolError(ForgeError): pass
 class NoSuchProjectError(ForgeError): pass
 class NoSuchNeighborhoodError(ForgeError): pass
 class MailError(ForgeError): pass
 class AddressException(MailError): pass
+class NoSuchNBLevelError(ForgeError): pass
 
 class CompoundError(ForgeError):
     def __repr__(self):