Sreekanth S Rameshaiah wrote:

Hi all, Greetings ! On moving my plone instance from zope 2.6.1 to zope 2.7 i am getting assertionError. The traceback details are: Module TAL.TALInterpreter, line 189, in __call__ Module TAL.TALInterpreter, line 233, in interpret Module TAL.TALInterpreter, line 663, in do_useMacro Module TAL.TALInterpreter, line 233, in interpret Module TAL.TALInterpreter, line 686, in do_defineSlot Module TAL.TALInterpreter, line 233, in interpret Module TAL.TALInterpreter, line 541, in do_insertTranslation Module TAL.TALInterpreter, line 213, in interpretWithStream Module TAL.TALInterpreter, line 233, in interpret Module TAL.TALInterpreter, line 506, in do_i18nVariable Module TAL.TALInterpreter, line 213, in interpretWithStream Module TAL.TALInterpreter, line 233, in interpret Module TAL.TALInterpreter, line 406, in do_optTag_tal Module TAL.TALInterpreter, line 388, in no_tag Module TAL.TALInterpreter, line 233, in interpret Module TAL.TALInterpreter, line 554, in do_insertTranslation Module TAL.TALInterpreter, line 751, in write TypeError: len() of unsized object (Also, an error occurred while attempting to render the standard error message.)

Different pages are giving different TAL errors.. Why is this so, on irc i was told this is a known bug. But was unable to get any solution for the same. How do I solve this? Thanks & Regards, - sree

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I have migratied a number of plone sites from 1.04 to 2.0 changing to Zope 2.7 in the process. I did not encounter your proplem.What OS are you using? RR