Trace: • 1.1rc1 • 1.4 • 1.2 • end • 1.2.x • 1.2 • hall-of-fame • 1.3 • 1.0 • manuale-1.1
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TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given
An unforeseen error has occured. This is most likely a bug somewhere. It might be a problem in the bookcontents plugin.
More info has been written to the DokuWiki error log.