Frontcontroller::init - Cart cannot be loaded or an order has already been placed using this cart in prestashop 1.7.6.2

[Rjworld]

hello,

i'm using prestashop 1.7.6.2 and facing some problem in this version. when my customer online pay to me for products issue occurred :

 issue 1 : after payment successfull cart are empty and customer session out or logout automatically. (order not created)

issue 2: after completing payment redirect to home not on order conformation.

log created in my store :

Frontcontroller::init - Cart cannot be loaded or an order has already been placed using this cart.

and server log :

[Thu Aug 20 20:08:15.137245 2020] [authz_core:error] [pid 9889] [client 195.54.160.21:60270] AH01630: client denied by server configuration: /home/xyzuser/public_html/vendor/phpunit
[Thu Aug 20 20:08:13.780086 2020] [authz_core:error] [pid 7350] [client 195.54.160.21:58496] AH01630: client denied by server configuration: /home/xyzuser/public_html/vendor/phpunit
[Thu Aug 20 12:28:11.696421 2020] [core:crit] [pid 710] (13)Permission denied: [client 42.82.211.87:41527] AH00529: /home/xyzuser/public_html/.htaccess pcfg_openfile: unable to check htaccess file, ensure it is readable and that '/home/xyzuser/public_html/' is executable

 

help me for resolving issues.

 

[R - stick]

I have exactly the same problem, which also appeared suddenly after switching to the https protocol. I can't find any error. Any solution?