TYPO3 Exception 1347135546

Note

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`$haystack` can not be interpreted as string

Most often, the reason for this error is a wrongly defined TCA column. For example something like this (duplicate nesting of items):

'items' => [
   'items' => [
       ['noRotation', 0],
       ['oneQuarter', 1],
       ['halfCircle', 2],
       ['threeQuarter', 3],
  ],
],