"Do strftime-style time substitutions on file or directory name" does not work when selecting the option "One file per server"

"Do strftime-style time substitutions on file or directory name" does not work when selecting the option "One file per server"

indicated the path to save a copy of "/ home / brusee / bakup / bakup_% Y_% m_% d" expected behavior: the name of the backup folder takes the form "bakup_currentYearMonthDay" result: folder name "bakup_% Y_% m_% d"

Status: 
Closed (cannot reproduce)

Comments

the error was related to spaces after the symbol "%"