[main] ERROR org.opendaylight.yangtools.yang.parser.stmt.reactor.BuildGlobalContext - Failed to parse YANG from source SourceSpecificContext [source=YangStatementStreamSource{identifier=SourceIdentifier [bar]}, current=EFFECTIVE_MODEL, finished=FULL_DECLARATION]: Grouping '(bar?revision=2016-07-19)foo-imp-grp' was not resolved. [at /w/workspace/yangtools-maven-clm-13.0.x/parser/yang-parser-rfc7950/target/test-classes/bugs/bug6240/incorrect/bar.yang:11:5]