Possible bug/update problem?

I'm am using version 1.2.997 on Windows Server 2012.

I have a problem with scraping speed gradually slowing to a stop over a few hours.

The log files have entries like:

Use of uninitialized value in pattern match (m//) at build/core.to_build.pl line 68553.
uncaughtException Error: read ECONNRESET
at TLSWrap.onStreamRead (internal/stream_base_commons.js:209:20) {
errno: -4077,
code: 'ECONNRESET',
syscall: 'read'
} undefined
uncaughtException Error: read ECONNRESET
at TLSWrap.onStreamRead (internal/stream_base_commons.js:209:20) {
errno: -4077,
code: 'ECONNRESET',
syscall: 'read'
} undefined
uncaughtException [Error: 9484:error:1408F119:SSL routines:ssl3_get_record:decryption failed or bad record mac:e:\build\nodejs\node-v14.12.0\deps\openssl\openssl\ssl\record\ssl3_record.c:677:
] {
library: 'SSL routines',
function: 'ssl3_get_record',
reason: 'decryption failed or bad record mac',
code: 'ERR_SSL_DECRYPTION_FAILED_OR_BAD_RECORD_MAC'
} undefined
uncaughtException Error: read ECONNRESET
at TLSWrap.onStreamRead (internal/stream_base_commons.js:209:20) {
errno: -4077,
code: 'ECONNRESET',
syscall: 'read'
} undefined

If I stop and start job everything works fine for a while then starts slowing down again.

I am using 5 different proxy providers and having same problem regardless of proxy source so unlikely a proxy problem.

Also rebooted servers and problem still persists.

 

File attached. Also, I am testing using an older version 1.2.912 on one server and so far am not getting any of the errors in log file.