Drupal error due to DrushLog
Symptoms
You may have error messages like:
Use IMCE files browser for custom field on Drupal 8/9
You can use IMCE to select a file.
Drupal 9 add inline JavaScript to a page programmatically
Method 1 : Form hook_page_attachments
Private Tempstore - Store data on Drupal 9 session
This method allow to store data on drupal session using drupal session table (not php $_SESSION).
Storage is different for each users ans each visitors if anonymous
Redis and Php-Redis with drupal 9 on Linux
Install Redis
sudo apt-get update && sudo apt-get upgrade
sudo apt install redis-server
sudo apt install php-redis
Check
sudo systemctl status redis-server
redis-cli ping