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/sajtorsz/public_html/idojaras/_my_settings/settings.php
PWS_settings.php (176) $defaultlanguage=de-dl $used_lang =fi $locale_wu=fi-FI $lang_locale=fi $lang_file=/home/sajtorsz/public_html/idojaras/languages/lang_fi.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: |fromtemp|uom|C|!
PWS_extra_data.php (59) processing: |extra_hum1|hum|12.4|!
PWS_extra_data.php (59) processing: |extra_tmp1|temp|54|!
PWS_extra_data.php (59) processing: |soil_mst1|moist|46|!
PWS_extra_data.php (59) processing: |soilmoist_type|text|%|!  ## 2020-12-18  ecowitt uses % for moist
PWS_extra_data.php (59) processing: |lightning|light|0|!
PWS_extra_data.php (59) processing: |lightningtime|cudt|17/12/2020 18:37:33|!  ## 2020-12-18  for  CU
PWS_extra_data.php (87) calculated Y-M-D-H-M-S =  17-12-2020-18-37-33
PWS_extra_data.php (59) processing: |lightningkm|light|27.0|!
PWS_graph_xx.php (76) type set to temp from request temp
PWS_graph_xx.php (166) loading  =>./chartswudata/IKARTAL4YMD.txt
PWS_graph_xx.php (193)Line-names contains {"success":false,"error":"Data could not be loaded from WU
437