1974177 - P00, P0A or R19 syslog errors occurs and work process start up fail

System failed to start up or log errors at syslog.
Dispatcher stop due to Work Processes died error.
At dev_w* trace, you notice following error message:

M ***LOG P00=> /usr/sap/<SID>/<instance>/data/<FILE> 
R *** ERROR => leave rrol_init: open failed 
M ***LOG R19=> ThInit, rrol_init ( ROLL-000011)
M in_ThErrHandle: 1
M *** ERROR => ThInit: rrol_init (step 1, th_errno 14, action 3, level 1)

or even:

M ***LOG P0A=> /usr/sap/<SID>/<instance>/data/<FILE> 
M ***LOG R19=> ThInit, pg_init ( PAGE-000001) 
M in_ThErrHandle: 1
M *** ERROR => ThInit: pg_init (step 1, th_errno 15, action 3, level 1)

<FILE> = ROLLFL<NR> or PAGFIL<NR>
<NR> = instance number

The syslog (SM21) report errors like:

|P0 |A|Paging file <PATH> could not be opened 
|R1 |9|Initialization PAGE Failed, Return Code -000001
|P0 |0|Role file <PATH> could not be opened
|R1 |9|Initialization PAGE Failed, Return Code -000001

Roll Area:

• SAP Netweaver system kernel <= 72X

Page Area:

• SAP Netweaver system all releases

rrol.c thxxhead.c rpag.c DIR_ROLL rdisp/rrol_file profile parameter ztta/roll_area rdisp/ROLL_MAXFS rdisp/ROLL_SHM DIR_PAGING PAGFIL , KBA , BC-CST-MM , Memory Management , Problem