robot -vvv remove -i fobi.owl --term BFO:0000050 -o test.owl
For details see: http://robot.obolibrary.org/errors#invalid-element-error
java.io.IOException: errors#INVALID ELEMENT ERROR "http://purl.obolibrary.org/obo/fobi.owl#FOBI:050339" contains invalid characters
at org.obolibrary.robot.IOHelper.saveOntologyFile(IOHelper.java:1745)
at org.obolibrary.robot.IOHelper.saveOntology(IOHelper.java:846)
at org.obolibrary.robot.CommandLineHelper.maybeSaveOutput(CommandLineHelper.java:667)
at org.obolibrary.robot.RemoveCommand.execute(RemoveCommand.java:156)
at org.obolibrary.robot.CommandManager.executeCommand(CommandManager.java:244)
at org.obolibrary.robot.CommandManager.execute(CommandManager.java:188)
at org.obolibrary.robot.CommandManager.main(CommandManager.java:135)
at org.obolibrary.robot.CommandLineInterface.main(CommandLineInterface.java:60)