@@ -183,11 +183,11 @@
                                 bCondMemo = not sFuncCond or globals()[sFuncCond](s, sx, m, dTokenPos, sCountry, bCondMemo)
                                 if bCondMemo:
                                     if cActionType == "-":
                                         # grammar error
                                         nErrorStart = nOffset + m.start(eAct[0])
-                                        if nErrorStart not in dErrs or nPriority > dPriority[nErrorStart]:
+                                        if nErrorStart not in dErrs or nPriority > dPriority.get(nErrorStart, -1):
                                             dErrs[nErrorStart] = _createRegexError(s, sx, sWhat, nOffset, m, eAct[0], sLineId, sRuleId, bUppercase, eAct[1], eAct[2], bShowRuleId, sOption, bContext)
                                             dPriority[nErrorStart] = nPriority
                                     elif cActionType == "~":
                                         # text processor
                                         s = _rewrite(s, sWhat, eAct[0], m, bUppercase)
@@ -714,11 +714,11 @@
                                 # grammar error
                                 nTokenErrorStart = nTokenOffset + eAct[0]
                                 nTokenErrorEnd = (nTokenOffset + eAct[1])  if eAct[1]  else nLastToken
                                 nErrorStart = self.nOffsetWithinParagraph + self.lToken[nTokenErrorStart]["nStart"]
                                 nErrorEnd = self.nOffsetWithinParagraph + self.lToken[nTokenErrorEnd]["nEnd"]
-                                if nErrorStart not in dErrs or eAct[2] > dPriority[nErrorStart]:
+                                if nErrorStart not in dErrs or eAct[2] > dPriority.get(nErrorStart, -1):
                                     dErrs[nErrorStart] = self.createError(sWhat, nTokenOffset, nTokenErrorStart, nErrorStart, nErrorEnd, sLineId, sRuleId, True, eAct[3], eAct[4], bShowRuleId, "notype", bContext)
                                     dPriority[nErrorStart] = eAct[2]
                                     if bDebug:
                                         print("-", sRuleId, dErrs[nErrorStart])
                             elif cActionType == "~":