this is the server log
with proccess image off the import is ok
[01-Sep-2020 09:38:37] WARNING: [pool garifallo_gr] child 22836, script '/home/garifallo/public_html/test/administrator/components/com_csvi/rantai/rantai.php' (request: "GET /test/administrator/components/com_csvi/rantai/rantai.php?task=import&runId=4505&_=1598941980976"

[01-Sep-2020 09:38:37] WARNING: [pool garifallo_gr] child 22836 exited on signal 15 (SIGTERM) after 352.673931 seconds from start
[01-Sep-2020 09:38:37] NOTICE: [pool garifallo_gr] child 24553 started
[01-Sep-2020 09:46:57] WARNING: [pool garifallo_gr] child 25072, script '/home/garifallo/public_html/test/administrator/components/com_csvi/rantai/rantai.php' (request: "GET /test/administrator/components/com_csvi/rantai/rantai.php?task=import&runId=4506&_=1598942453605"

[01-Sep-2020 09:46:57] WARNING: [pool garifallo_gr] child 25072 exited on signal 15 (SIGTERM) after 384.240719 seconds from start
[01-Sep-2020 09:46:57] NOTICE: [pool garifallo_gr] child 26787 started
[01-Sep-2020 09:55:17] WARNING: [pool garifallo_gr] child 27340, script '/home/garifallo/public_html/test/administrator/components/com_csvi/rantai/rantai.php' (request: "GET /test/administrator/components/com_csvi/rantai/rantai.php?task=import&runId=4508&_=1598942972612"

[01-Sep-2020 09:55:17] WARNING: [pool garifallo_gr] child 27340 exited on signal 15 (SIGTERM) after 352.518261 seconds from start
[01-Sep-2020 09:55:17] NOTICE: [pool garifallo_gr] child 29332 started
[01-Sep-2020 10:09:13] WARNING: [pool garifallo_gr] child 31776, script '/home/garifallo/public_html/test/administrator/components/com_csvi/rantai/rantai.php' (request: "GET /test/administrator/components/com_csvi/rantai/rantai.php?task=import&runId=4510&_=1598943773976"

[01-Sep-2020 10:09:13] WARNING: [pool garifallo_gr] child 31776 exited on signal 15 (SIGTERM) after 385.042511 seconds from start
[01-Sep-2020 10:09:13] NOTICE: [pool garifallo_gr] child 2074 started
[01/Sep/2020:09:36:37 +0300] "GET /components/com_virtuemart/assets/css/chosen-sprite@2x.png HTTP/2.0" 500 - "https://www.garifallo.gr/components/com_virtuemart/assets/css/chosen.css?vmver=d2f81682" "Mozilla/5.0 (Linux; Android 9; Redmi Note 6 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.125 Mobile Safari/537.36"
[01/Sep/2020:09:33:01 +0300] "GET /test/administrator/components/com_csvi/rantai/rantai.php?task=import&runId=4505&_=1598941980976 HTTP/2.0" 500 - "https://www.garifallo.gr/test/administrator/index.php?option=com_csvi&view=import" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Firefox/81.0"
[01/Sep/2020:09:40:54 +0300] "GET /test/administrator/components/com_csvi/rantai/rantai.php?task=import&runId=4506&_=1598942453605 HTTP/2.0" 500 - "https://www.garifallo.gr/test/administrator/index.php?option=com_csvi&view=import" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Firefox/81.0"
>>