No valid data file found, script ends

PWS_graph_xx.php(33) loaded  =>PWS_graph_xx.php|01|2021-05-15|
PWS_graph_xx.php (37) include_once  =>./PWS_livedata.php
PWS_livedata.php (22) version =>PWS_livedata.php|01|2023-10-31|
PWS_livedata.php (25) include_once =>PWS_settings.php
PWS_settings.php (28) version =>PWS_settings.php|01|2023-10-31|
PWS_settings.php (32) include =>/home/sv_vejr3dk/pwsWD/_my_settings/settings.php
PWS_settings.php (176) $defaultlanguage=da-dk $used_lang =da-dk $locale_wu=da-DK $lang_locale=da $lang_file=/home/sv_vejr3dk/pwsWD/languages/lang_da.txt
PWS_settings.php (285) $units_used =scandinavia $windunit=m/s $tempunit=C $rainunit=mm $pressureunit=hPa $distanceunit=km $wu_unit=m
PWS_livedata.php (29) include_once =>PWS_shared.php
PWS_shared.php (21) version =>PWS_shared.php|01|2022-11-22|
PWS_livedata.php (39) $itsday =
PWS_graph_xx.php (76) type set to rain from request rain
PWS_graph_xx.php (166) loading  =>./chartswudata/IKRSONNE1YMD.txt
PWS_graph_xx.php (193)Line-names contains {"success":false,"error":"Data could not be loaded from WU
437