1768734 - Data file seems to be in old format (no header) - Exception in SWPM (Import)

Software Provisioning Manager tool stops the import of the system in step JMigmonJavaDump with an error like:

sapinst_dev.log

ERROR <date> <time>
unknown message ID (nw.syscopy.jmigmonRunFailed) with parameter(s):
"\<installation directory>\java.exe" -classpath "\<installation directory>\install\sltools\sharedlib\sap.com~tc~bl~offline_launcher~impl.jar" 
-showversion -Xmx4096m -XX: +HeapDumpOnOutOfMemoryError com.sap.engine.offline.OfflineToolStart com.sap.inst.jmigmon.jMigMon 
"/<sapmnt>/<SID>/SYS/global/security/lib/tools/iaik_jce.jar; /<sapmnt>/<SID>/SYS/global/security/lib/tools/iaik_jsse.jar; 
/<sapmnt>/<SID>/SYS/global/security/lib/tools/iaik_smime.jar; /<sapmnt>/<SID>/SYS/global/security/lib/tools/iaik_ssl.jar; 
/<sapmnt>/<SID>/SYS/global/security/lib/tools/w3c_http.jar; /<installation directory>/install/sltools/sharedlib;
\usr\sap\<SID>\JXX\exe\mssjdbc\jdbc4\sqljdbc4.jar" -mode import -sid <SID> -dsn jdbc/pool/<SID> -ssprops 
/<sapmnt>/<SID>/SYS/global/security/data/SecStore.properties -sskey /<sapmnt>/<SID>/SYS/global/security/data/SecStore.key 
-importDirs \<dump export>\JAVA\JDMP -suppressVerboseLog 64 /<installation directory>/jmigmon.java.logERROR <date> <time>

FCO-00011 The step JMigmonJavaDump with step key |NW_Java_OneHost|ind|ind|ind|ind|0|0|NW_Onehost_System|ind|ind|ind|ind|onehost|0|NW_CreateDBandLoad|ind|
ind|ind|ind|createdbandload|0|NW_Java_Import|ind|ind|ind|ind|javaimport|0|NW_JMigmon|ind|ind|ind|ind|jmigmon|0|JMigmonJavaDump was executed with status ERROR 
( Last error reported by the step: ).

In the jmigmon.console.log file, it shows the following error message:

jmigmon.console.log

Task <TASK NAME>.XML has failed. Error message: java.io. IOException: Data file seems to be in old format (no header)
Use an earlier version of jload

• Software Provisioning Manager tool;
• SAP System with JAVA stack (Java only or Dual Stack);
• Database Independent;
• Operational System Independent.

System Copy, Import, Java, Old Format, Jload, Jmigmon, Importing, Export, Exporting, Migration, Migrating, Corrupted, Data File, Data-file , KBA , BC-INS-MIG , OS/DB Migrations with SWPM and DB refresh , BC-INS , Installation Tools (SAP Note 1669327) , BC-INS-JCI , Java component inst. / jload jmigmon, jsizecheck , Problem