System objects cannot be transported directly (e.g. T100, TRDIR, TFDIR..)

What causes this issue?

System table entries cannot be transported in the same way as regular
table entries.

System Response

The function was canceled.

How to fix this error?

Do not use transport object R3TR TABU for the entries in the following
tables. Use the transport objects below instead:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

ACLPERMIS: R3TR PINF (package interface)
CTS_HOT_PACKAGE, CTS_HOT_OBJECT:,,R3TR HOTA (Hana object transport -
full object)
CVERS: R3TR VERS (version number)
D010*: R3TR PROG (programs)
D02*, DYNP*: LIMU DYNP (dynpros)
D3*, EUDB, RSMPTEXTS: LIMU CUAD (interfaces)
DD01*, DD07*: R3TR DOMA (domains)
DD02*, DD03*, DD05S, DD08*, DD09L: R3TR TABL (tables)
DD40L, DD40T, DD42S: R3TR TTYP (table types)
DD04*: R3TR DTEL (data elements)
DD06*, DD16S: R3TR SQLT (SQL table)
DD12*, DD17S: LIMU INDX (table index)
DD2*: R3TR MCOB (matchcode objects)
or R3TR MCID (matchcode ID)
or R3TR VIEW (view)
or R3TR ENQU (enqueue object)
DDTYPET: R3TR TYPE (type group)
DEVL, DEVLT: R3TR DEVC (package)
DIAPAR: R3TR DIAL (dialog module)
DOKHL, DOKIL, DOKTL: LIMU DOCU (documentation)
DSYST, DSYSX: R3TR DSYS (hypertext objects)
E07*: LIMU COMM (piece list)
EUIMPORT: LIMU CUAD (interfaces)
FUNCT, RODIR: R3TR FUGR (function group)
IFOBJ*, INTF*: R3TR PINF (package interface)
LDB*: R3TR LDBA (logical databases)
OBJ*: R3TR TOBJ (specification of a
transport object)
O2APPL*, O2NAV*, O2PAG*: R3TR WAPA (BSP application)
REPO*: R3TR PROG (programs)
RSDSQ*: R3TR DSEL (selection view)
SEO*: R3TR CLAS (classes)
R3TR INTF (interface)
SOTR_LINK: R3TR SOTS, SOTR (OTR concepts of a
package)
SOTR_*U: R3TR SOTS (OTR concepts of a
package)
SOTR_*: R3TR SOTR (OTR concepts of a
package)
SPROX*: R3TR CLAS (classes)
or R3TR INTF (interface)
or R3TR DTEL (data elements)
or R3TR TABL (tables)
or R3TR TTYP (table types)
STX*: R3TR FORM (SAPscript form)
or R3TR STYL (SAPscript style)
or R3TR TEXT (SAPscript text)
SVERS*: R3TR VERS (version number)
SYSTABSTMT: R3TR DDDD (change to the nametab
structure)
T100*: R3TR MSAG (messages)
TADIR: LIMU ADIR (object directory entry)
TAPPL: R3TR APPL (application class)
TCDCOUPLES: R3TR TRAN (transactions)
TDCT: R3TR DIAL (dialog module)
TDEVC, TDEVCT: R3TR DEVC (package)
TFAW*: LIMU FSEL (field selection)
or R3TR PROG (programs)
TFDIR, ENLFDIR, FUPARAREF, TFTIT: R3TR FUGR (function group)
TITLE: R3TR PROG (programs)
TLDB, TLDBT: R3TR LDBA (logical database)
TLIB*: R3TR FUGR (function group)
TPARA*: R3TR PARA (parameter IDs)
TRDIR: R3TR PROG (programs)
TSPIN, TSPTB: R3TR TABL (tables)
TSL1*: R3TR SYAG (syslog messages)
TSTC*: R3TR TRAN (transactions)
VARI*: LIMU VARI (variants)
WDY_*: R3TR WDYN (Web Dynpro)
All other system tables are either in ABAP Dictionary or are used as
internal tables of the SAP system. They are not transportable.
The object name is a mandatory field and cannot begin with a comment
(*).
Do not use a name for LIMU COMM transport objects that is structured
like request/task numbers in Transport Organizer (sysKnnnnnn).
<ZH>Note</>
Direct transport of these table entries is only allowed for special
tools, such as the client copy program.

Error message extract from SAP system. Copyright SAP SE.