D:Webprojetbranches>svn merge svn://10.10.10.10/projet/branches/pre_prod b1
svn: E195016: Reintegrate can only be used if revisions 239 through 259 were previously
merged from svn://10.10.10.10/projet/branches/b1 to
the reintegrate source, but this is not the case:
  branches/pre_prod
    Missing ranges: /branches/pre_prod:241,245
  branches/pre_prod/src/Type
    Missing ranges: /branches/pre_prod/src/Type:245

branches/bronze_services/occl
    Missing ranges: /trunk/occl:650-693