api-invalidSignatureArray
(
    [Periodstart] => 20230502
    [PeriodEnd] => 20230820
)
<br />
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<br />
<b>Warning</b>:  Undefined array key "" in <b>/data01/virt56457/domeenid/www.code4u.ee/2023/index.php</b> on line <b>752</b><br />