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 =>/data/sites/web/weerstationhaachtbe/www/PWS/_my_settings/settings.php
PWS_settings.php (176) $defaultlanguage=nl-be $used_lang =el-gr $locale_wu=el-GR $lang_locale=el $lang_file=/data/sites/web/weerstationhaachtbe/www/PWS/languages/lang_gr.txt
PWS_settings.php (285) $units_used =metric $windunit=km/h $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_livedata.php (2088) include_once =>PWS_extra_data.php
PWS_extra_data.php (27) version =>PWS_extra_data.php|01|2023-07-14|
PWS_extra_data.php (30) include_once =>PWS_settings.php
PWS_extra_data.php (34) include_once =>PWS_shared.php
PWS_extra_data.php (59) processing: |soil_mst1|moist|17|!
PWS_extra_data.php (59) processing: |soil_mst2|moist|18|!
PWS_extra_data.php (59) processing: |soil_tmp1|temp|5,0|!
PWS_extra_data.php (59) processing: |soil_tmp2|temp|4,4|!
PWS_extra_data.php (59) processing: |soilmoist_type|text|cb|!
PWS_graph_xx.php (76) type set to wind from request wind
PWS_graph_xx.php (166) loading  =>./chartswudata/IHAACHT6YMD.txt
PWS_graph_xx.php (193)Line-names contains {"success":false,"error":"Data could not be loaded from WU
437