You'll find the cause of the error in the log file you shared... Look for the "ERROR" lines in your log and you'll find this one:
2022-08-04 11:43:42,124 ERROR unknown unknown org.dspace.authenticate.OrcidAuthenticationBean @ An error occurs registering a new EPerson from ORCID
java.lang.IllegalStateException: The email is configured private on orcid
at org.dspace.authenticate.OrcidAuthenticationBean.lambda$registerNewEPerson$0(OrcidAuthenticationBean.java:215) ~[dspace-api-7.3.jar:7.3]
at java.util.Optional.orElseThrow(Optional.java:408) ~[?:?]
at org.dspace.authenticate.OrcidAuthenticationBean.registerNewEPerson(OrcidAuthenticationBean.java:215) [dspace-api-7.3.jar:7.3]
at org.dspace.authenticate.OrcidAuthenticationBean.authenticateWithOrcid(OrcidAuthenticationBean.java:181) [dspace-api-7.3.jar:7.3]
at org.dspace.authenticate.OrcidAuthenticationBean.authenticate(OrcidAuthenticationBean.java:96) [dspace-api-7.3.jar:7.3]
at org.dspace.authenticate.OrcidAuthentication.authenticate(OrcidAuthentication.java:82) [dspace-api-7.3.jar:7.3]
Notice that the error message says "The email is configured private on orcid". The ORCID account you are using MUST share its email address with DSpace. See this Troubleshooting note in the ORCID documentation:
Tim