rdiff-backup Too many recent increments

miborn@hnb533:~> rdiff-backup --check-destination-dir  /run/media/miborn/WD1TB/T450s_rdiff-backup
Exception 'Too many recent increments' raised of class '<type 'exceptions.AssertionError'>':
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/Main.py", line 304, in error_check_Main
    try: Main(arglist)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/Main.py", line 324, in Main
    take_action(rps)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/Main.py", line 282, in take_action
    elif action == "check-destination-dir": CheckDest(rps[0])
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/Main.py", line 872, in CheckDest
    dest_rp.conn.regress.Regress(dest_rp)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/regress.py", line 71, in Regress
    for rf in iterate_meta_rfs(mirror_rp, inc_rpath): ITR(rf.index, rf)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/regress.py", line 198, in iterate_meta_rfs
    raw_rf = longname.update_regressfile(raw_rf, metadata_rorp, mirror_rp)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/longname.py", line 277, in update_regressfile
    return regress.RegressFile(rf.mirror_rp, rf.inc_rp, rf.inc_list)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/regress.py", line 218, in __init__
    self.set_regress_inc()
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/regress.py", line 233, in set_regress_inc
    assert len(newer_incs) <= 1, "Too many recent increments"

Traceback (most recent call last):
  File "/usr/bin/rdiff-backup", line 30, in <module>
    rdiff_backup.Main.error_check_Main(sys.argv[1:])
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/Main.py", line 304, in error_check_Main
    try: Main(arglist)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/Main.py", line 324, in Main
    take_action(rps)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/Main.py", line 282, in take_action
    elif action == "check-destination-dir": CheckDest(rps[0])
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/Main.py", line 872, in CheckDest
    dest_rp.conn.regress.Regress(dest_rp)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/regress.py", line 71, in Regress
    for rf in iterate_meta_rfs(mirror_rp, inc_rpath): ITR(rf.index, rf)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/regress.py", line 198, in iterate_meta_rfs
    raw_rf = longname.update_regressfile(raw_rf, metadata_rorp, mirror_rp)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/longname.py", line 277, in update_regressfile
    return regress.RegressFile(rf.mirror_rp, rf.inc_rp, rf.inc_list)
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/regress.py", line 218, in __init__
    self.set_regress_inc()
  File "/usr/lib64/python2.7/site-packages/rdiff_backup/regress.py", line 233, in set_regress_inc
    assert len(newer_incs) <= 1, "Too many recent increments"
AssertionError: Too many recent increments
miborn@hnb533:~>