BUG #18412: could not send data to client: Broken pipe

The following bug has been logged on the website:

Bug reference:      18412
Logged by:          Ratnesh Kumar
Email address:      inratneshk@gmail.com
PostgreSQL version: 15.2
Operating system:   CentOS Linux release 7.9.2009 (Core)
Description:

Hello Postgres Support Team,
I need your help to identify the issue and apply the fix for it.
I am running few queries from a windows client machine and while running one
query through Application and getting error like below.

2024-03-27 03:28:50.218 EDT [pid=33124] [txid=227405892]
[unknown]@10.120.11.91@test@test LOG:  could not send data to client: Broken
pipe
2024-03-27 03:28:50.218 EDT [pid=33124] [txid=227405892]
[unknown]@10.120.11.91@test@test CONTEXT:  PL/pgSQL function
uspx_alignment_users(xml,xml) line 318 at RAISE
2024-03-27 03:28:50.218 EDT [pid=33124] [txid=227405892]
[unknown]@10.120.11.91@test@test STATEMENT:  SELECT * FROM
Uspx_Alignment_Users("cb_data" := $1,"cb_configuration" := $2)
2024-03-27 03:28:50.218 EDT [pid=33124] [txid=227405892]
[unknown]@10.120.11.91@test@test FATAL:  connection to client lost
2024-03-27 03:28:50.218 EDT [pid=33124] [txid=227405892]
[unknown]@10.120.11.91@test@test CONTEXT:  PL/pgSQL function
uspx_alignment_users(xml,xml) line 318 at RAISE
2024-03-27 03:28:50.218 EDT [pid=33124] [txid=227405892]
[unknown]@10.120.11.91@test@test STATEMENT:  SELECT * FROM
Uspx_Alignment_Users("cb_data" := $1,"cb_configuration" := $2)
2024-03-27 03:28:50.221 EDT [pid=33124] [txid=0]
[unknown]@10.120.11.91@test@test LOG:  disconnection: session time:
0:33:34.610 user=test database=test host=10.120.11.91 port=56976