EL1043E: Unexpected token. Expected 'rparen())' but was 'lcurly({)'

[1248142645]

version:
spring.core-5.1.7.RELEASE
spring-expression-5.1.7.RELEASE
spring.security.web-5.1.5.RELEASE
thymeleaf-extras-springsecurity5-3.0.4.RELEASE

code:

exception:
Caused by: org.springframework.expression.spel.SpelParseException: Expression [hasAnyAuthority('Forum_2', 'Forum_'+${post.forumId})] @37: EL1043E: Unexpected token. Expected 'rparen())' but was 'lcurly({)'
at org.springframework.expression.spel.standard.InternalSpelExpressionParser.internalException(InternalSpelExpressionParser.java:1044) ~[spring-expression-5.1.7.RELEASE.jar:5.1.7.RELEASE]

Or tell me where the source path is hasAnyAuthority