Add this line to Grasscutter build.gradle and recompile. ``` implementation 'commons-logging:commons-logging:1.2' implementation 'io.jsonwebtoken:jjwt-api:0.11.3' runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.11.3', 'io.jsonwebtoken:jjwt-gson:0.11.3' implementation 'org.springframework.security:spring-security-crypto:5.6.3' ```