3485876 - Connections are being terminated unexpectedly due temp Bufman IO error - SAP IQ

Connections are being terminated unexpectedly.

In the log:

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Cancellation request received: SA connHandle: xxxxxxx SA connID: 66 IQ connID: yyyyyyy User: us001
Exception Thrown from oslib/hos_clientfileio.cxx:204, Err# 9, tid 123456789 origtid 123456789
O/S Err#: 0, ErrID: 522 (hos_ioexception); SQLCode: -1006140, SQLState: 'QBB40', Severity: 14
I/O Error on file /xxxxxxxx/logs/17f666e29f93508a0d2a6c757b9b790c_0.dat.pipe
-- (oslib/hos_clientfileio.cxx 204)
temp Bufman: I/O error while reading; from slib/s_buf.cxx:1619 into buffer 0x9l992c9c4058
expected: btype=23,pbn=2241793,txn=0,sp=0,nlb=128,npb=128,iscmp=0,uid=9223372037131188353,blk=2041793,mn=1,upmn=1,flgs=0x80000000
buffer: 0x1700800080008383013522000000000000000000000000000000000001000000
Expected Pad1: 1 (0x01), Pad2: 47233 (0xb881)
Got Pad1: 0 (0x00), Pad2: 0 (0x0000)
There was an s_buf::Read() error during s_bufman::Find().
Warning: s_blockmap is throwing while user locked. bmp:0x7f9b2c021538 lockRefCount:1 created from::0 locked from:slib/s_blockmap.cxx:1373
...
...

s_blockmap::ThrowError
s_nonTranslatingBlockmap::Find
s_SerializedFileBlockmap::FindInternal
s_SerializedFileBlockmap::Find
dfo_FileSource::ScanWorkUnitIntoCache
dfo_FileSource::ScanFileForNextWork

....

....
Exception Thrown from slib/s_blockmap.cxx:6464, Err# 0, tid xxxxxxxxxxxxxxx origtid xxxxxxxxxxxxxxxx
O/S Err#: 0, ErrID: 2094 (s_readexception); SQLCode: -1009044, SQLState: 'QSA44', Severity: 23
An IO error was encountered while reading a database page in DBSpace. Please check your IQ message file for additional information.
-- (slib/s_blockmap.cxx 6464)

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IQ was not started with encryption, and is not using -p 65535.

 SAP IQ 16.1 SP05 PL10

connections temp Bufman IO error buffer I/O s_nonTranslatingBlockmap::Find s_SerializedFileBlockmap::FindInternal s_SerializedFileBlockmap::Find dfo_FileSource::ScanWorkUnitIntoCache dfo_FileSource::ScanFileForNextWork IO error was encountered while reading a database page in DBSpace 829507 CR 829507 CR829507 CR#829507 , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed