Error: Page tree does not exist
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Inside every yellow TOC block there is a red square at the bottom containing the error message "Error: Page tree does not exist". The yellow TOC block gets updated every time a change in the wiki occurs, so it seems to work properly on the main focus.
A screenshot is attached.
But what does the error message mean? And, more urgent, how to get rid of it?
In the logs on DEBUG level I can find only one line with respect to the TocMacro:
[...] 2011-10-13 12:21:52,674 Trac[formatter] DEBUG: Executing Wiki macro TOC by provider <tractoc.macro.TOCMacro object at 0x2afe7e0665d0> [EOF]
I can reproduce this behaviour in a new trac environment where only the TocMacro is enabled:
[components] tractoc.* = enabled
The only difference to a complete default installation is, that I use MySQL as the DB backend.
My clean demo environment contains only the default wiki pages generated by the initenv command and the following modified/added demo pages:
= MHC = [[TOC(MHC/*, tree, heading=Navigation)]] Short links: - [wiki:MHC] - [wiki:MHC/EMF]
= Detail page for MHC =
= What's the EMF? =
= What to do with an EMF release? = Step 1, 2, 3, ...