hi update osclass to 8.1.2 and update veronika theme to last version and after the main landpage its showing on half and on all listings not showing the oldiest ads just the new ones can you help me to solve this please

best regards
GEORGI

Enable error logging (php) amd check what you got there

hi i have this error log:

[26-Jun-2023 23:23:44 Europe/Madrid] PHP Warning:  imagepng(/home/wiumi/public_html/oc-content/uploads/qrcode/6227_07000e3bf494bf18cb3f5cfb8b0a8fd6_5.png): Failed to open stream: No such file or directory in /home/mobwngvi/xxxxx/oc-content/plugins/qrcode/lib/qrimage.php on line 43
[26-Jun-2023 23:26:36 Europe/Madrid] PHP Warning:  Undefined variable $height in /home/mobwngvi/xxxxx/oc-content/plugins/profile_picture/index.php on line 254
[26-Jun-2023 23:26:46 Europe/Madrid] PHP Fatal error:  Uncaught TypeError: Illegal offset type in /home/mobwngvi/xxxxx/oc-includes/osclass/helpers/hUtils.php:64
Stack trace:
#0 /home/mobwngvi/xxxxx/oc-includes/osclass/helpers/hPremium.php(77): osc_field()
#1 /home/mobwngvi/xxxxx/oc-includes/osclass/helpers/hPremium.php(150): osc_premium_field()
#2 /home/mobwngvi/xxxxx/oc-content/themes/veronika/loop-single-premium.php(34): osc_premium_title()
#3 /home/mobwngvi/xxxxx/oc-content/themes/veronika/functions.php(1006): require('/home/mobwngvi/...')
#4 /home/mobwngvi/xxxxx/oc-content/themes/veronika/main.php(42): veronika_draw_item()
#5 /home/mobwngvi/xxxxx/oc-includes/osclass/helpers/hDefines.php(460): require('/home/mobwngvi/...')
#6 /home/mobwngvi/xxxxx/oc-includes/osclass/controller/main.php(67): osc_current_web_theme_path()
#7 /home/mobwngvi/xxxxx/oc-includes/osclass/controller/main.php(54): CWebMain->doView()
#8 /home/mobwngvi/xxxxx/index.php(320): CWebMain->doModel()
#9 {main}
  thrown in /home/mobwngvi/xxxxx/oc-includes/osclass/helpers/hUtils.php on line 64
[26-Jun-2023 23:27:24 Europe/Madrid] PHP Warning:  Undefined variable $height in /home/mobwngvi/xxxxx/oc-content/plugins/profile_picture/index.php on line 254
[26-Jun-2023 23:27:25 Europe/Madrid] PHP Warning:  Undefined variable $height in /home/mobwngvi/xxxxx/oc-content/plugins/profile_picture/index.php on line 254

thank you

Try to reinstall QR code plugin.