Error occurs when attempting to connect to perforce server

2009-01-15 13:22:14,735 DEBUG [pool-2-thread-1] fisheye.app P4CliUtils-dumpCommandLine - [サーバ名:1666//2008] Executing p4 -p サーバ名:1666 -C utf8 -u fisheye branch -o ISIS(Lecce1Lecce2Mainz）
2009-01-15 13:22:14,751 DEBUG [pool-2-thread-1] fisheye.app P4Exec-processCommand - [サーバ名:1666//2008] Command failed with status = Command failed to execute - non-zero exit code: 1 - Usage: branch -o branchname
Missing/wrong number of arguments.

    * retrying with fresh login
      2009-01-15 13:22:14,751 DEBUG [pool-2-thread-1] fisheye.app P4CliUtils-dumpCommandLine - [サーバ名:1666//2008] Executing p4 -p サーバ名:1666 -C utf8 -u fisheye login
      2009-01-15 13:22:14,798 ERROR [pool-2-thread-1] fisheye.app RepositoryScanner-slurp - Problem processing revisions from repo サーバ名:1666//2008 due to class com.cenqua.fisheye.perforce.client.P4ClientException - Command failed to execute - non-zero exit code: 1 - Usage: branch -o branchname
      Missing/wrong number of arguments.

com.cenqua.fisheye.perforce.client.P4ClientException: Command failed to execute - non-zero exit code: 1 - Usage: branch -o branchname
Missing/wrong number of arguments.

at com.cenqua.fisheye.perforce.client.P4Client.getBranchSpec(P4Client.java:599)
at com.cenqua.fisheye.perforce.P4Scanner.loadBranchInfo(P4Scanner.java:164)
at com.cenqua.fisheye.perforce.P4Scanner.updateBranchMappings(P4Scanner.java:153)