Nils Lang Posted July 8, 2021 Posted July 8, 2021 Error message: EPNGHeaderNotPresent - This operation is not valid because the current image contains no valid header. This is a known issue with version 7.2.4. A fix will become ready for next patch 7.2.5 in a few weeks. This crash with "EPNGHeaderNotPresent" message happens only with image files in PNG format defined for the user logo or for a client logo. Follow the temporary fix below and then reimport the logo in JPG or BMP format. Temporary fix for user logo: - Close PVsyst first (otherwise it will rewrite PVsyst.ini file) - Press the Windows key + R simultaneously, type: %LocalAppData%\PVsyst\7.2\Admin in the "Open:" box and press OK - Open the file named "PVsyst.ini" with a text editor (we advise to use Notepad++ that is free and opensource) - Find the line "[user]", in this group, find and erase the line starting with "Logo=" - Save the edited PVsyst.ini file Temporary fix for client logo: - Go to your workspace in the subfolder \ComposPV\Clients - Find the client .CLT file that contains a .PNG defined as logo - Erase the line starting with "Logo=" - Save the edited .CLT file
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