No valid data file found, script ends

PWS_graph_xx.php(25) loaded  =>PWS_graph_xx.php|01|2020-12-20|
PWS_graph_xx.php (29) include_once  =>./PWS_livedata.php
PWS_livedata.php (22) version =>PWS_livedata.php|01|2021-01-22|
PWS_livedata.php (25) include_once =>PWS_settings.php
PWS_settings.php (28) version =>PWS_settings.php|01|2020-12-17|
PWS_settings.php (32) include =>/homepages/30/d113522984/htdocs/targetFFcom/wd/pwsWD/_my_settings/settings.php
PWS_settings.php (160) $defaultlanguage=en-uk $used_lang =en-uk $locale_wu=en-GB $lang_locale=en-gb $lang_file=languages/lang_en.txt
PWS_settings.php (258) $units_used =uk $windunit=mph $tempunit=C $rainunit=mm $pressureunit=hPa $distanceunit=mi $wu_unit=m
PWS_livedata.php (29) include_once =>PWS_shared.php
PWS_shared.php (21) version =>PWS_shared.php|01|2020-11-02|
PWS_livedata.php (39) $itsday =
PWS_graph_xx.php (51)  period set to day from request day
PWS_graph_xx.php (58) type set to baro from request baro
PWS_graph_xx.php (145) loading  =>./chartswudata/5D0REHVOYMD.txt
PWS_graph_xx.php (172)Line-names contains {"success":false,"error":"Data could not be loaded from WU
436