2481545 - Error "No connect due to DbSl Load Lib Failure"

When you try to release a transport request, the following error occurred.
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This is tp version *** (release 7**, unicode enabled)
ERROR: No connect due to DbSl Load Lib Failure
ERROR: Possible reasons are:
ERROR: - The value set for dbms_type ('ora') is invalid.
ERROR: - Cannot find the DLL dboraslib.dll in path
ERROR: - problems when loading DB-dependent DLLs
ERROR: Connect to SID failed (YYMMDDHHMMSS).
TRACE-INFO: 1: [ dev trc,00000] time
TRACE-INFO: 2: [ dev trc,00000] DlLoadLib success: LoadLibrary("dboraslib.dll"), hdl 0, count 1, addr 0
TRACE-INFO: 3: [ dev trc,00000] using "**\exe\dboraslib.dll"

tp returncode summary:

TOOLS: Highest return code of single steps was: 0
ERRORS: Highest tp internal error was: 0249
tp finished with return code: 249
meaning:
connect failed due to DbSL load lib failure

standard output from tp and from tools called by tp:
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You can also find the error if you check "transport tool" in STMS.

NetWeaver ABAP based systems.

dbms_type, DbSl, DLL, dboraslib.dll, 249, DB Connect, Link to database failed, Offline Call ERROR, stdout, STMS, SE01, SE09, SE10, release, export, transport tool, No connect, DB-dependent , KBA , BC-CTS-TLS , Transport Tools , Problem