Forwarded to devs Let's Encrypt extension not auto-upgrading in nightly maintenance window

[Bitpalast]

TITLE:

Let's Encrypt extension not auto-upgrading in nightly maintenance window​

PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE:

Plesk Onyx 17 #22, CentOS 7.3, 64-Bit​

PROBLEM DESCRIPTION:

Nightly maintenance upgrade of Let's Encrypt extension fails with "ERROR: Failed to install or upgrade the extension 'Let's Encrypt' (package: letsencrypt): Unable to open source file. Not zip file."

Resolved - Failed to install or upgrade the extenion 'Let's Encrypt' (package: letsencrypt)​

STEPS TO REPRODUCE:

Auto-update Let's Encrypt extension 2.02 to 2.03 during nightly maintenance.​

ACTUAL RESULT:

Does not update.

Logged error in upgrade log:
ERROR: Failed to install or upgrade the extension 'Let's Encrypt' (package: letsencrypt): Unable to open source file. Not zip file.​

EXPECTED RESULT:

Updates.​

ANY ADDITIONAL INFORMATION:

​

YOUR EXPECTATIONS FROM PLESK SERVICE TEAM:

Confirm bug​