ISPP121 ISPF dialog error, panel definition too large, for panel PDTHCOL3.

Document ID : KB000021480
Last Modified Date : 14/02/2018
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Description:

When entering option 199 to display more fields in CA Detector field descriptions

help panel PDTHCOL2:

PDTHCOL2 -------- DETECTOR Common Display Fields - Help --------        
COMMAND ===> 199  

To see a field description, enter the corresponding number in the command line. To review descriptions sequentially, just
press <Enter> without selecting a number.

 51 GLOCKREQ 64 PFAILBUF 77 OWIOWCNT 90 SMSG_WTIME        
 52 GCHNGREQ 65 PFAILENC 78 SERV_WTIME 91 SMSGWCNT 
 53 GUNLKREQ 66 SPPLANNED 79 SERVWCNT 92 GLOCK_WTIME
 54 GIRLMSUS 67 SPFAILBUF 80 ARCH_WTIME 93 GLOCKWCNT
 55 GXESSUS 68 SPFAILCNO 81 ARCHWCNT 94 LOG_WTIME
 56 FALSESUS 69 SPFAILRRRS 82 PLATCH_WTIME 95 LOGWCNT
 57 GLOCKFAIL 70 IO_WTIME 83 PLATCHWCNT 96 LOB_WTIME
 58 PMAXDEG 71 IOWCNT 84 DRAIN_WTIME 97 LOBWCNT
 59 PGROUPS 72 LOCK_WTIME 85 DRAINWCNT 98 OCS_WTIME
 60 PPLANNED 73 LOCKWCNT 86 CLAIM_WTIME 99 OCSWCNT
 61 PREDUCED 74 ORIO_WTIME 87 CLAIMWCNT 100 SLS_WTIME
 62 PFAILCUR 75 ORIOWCNT 88 ARCRD_WTIME
 63 PFAILSRT 76 OWIO_WTIME 89 ARCRDWCNT 199 More fields
 PF3 = Exit Help PF7 = Menu

The following ISPF panel error appears:
ISPF Dialog Error Command ===>

********************************************
* ISPP121
*
* Panel 'PDTHCOL3' error
* Panel definition too large, greater than screen size.
*
* Panel line where error was detected:
* +
*
* Enter HELP command for further information regarding this error.
* Press ENTER key to terminate the dialog.

Solution:

This error was encountered using a terminal IBM 3278-2 emulator (mod 2). Change the emulator to 3278-3 (mod 3) or 3278-4 (mod 4) and the help panel will display without any problem.