Process completed with exit code 1.

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

Non-nullable property 'System' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable field '_console' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_equipper' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_itemUser' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Possible null reference return.

Possible null reference argument for parameter 'item' in 'void List<Character>.Add(Character item)'.

Argument of type 'KeyValuePair<string, JToken?>' cannot be used for parameter 'jsonToken' of type 'KeyValuePair<string, JToken>' in 'Skill Serializer.DeserializeSkill(JObject allSkillData, KeyValuePair<string, JToken> jsonToken)' due to differences in the nullability of reference types.

Possible null reference assignment.

Possible null reference assignment.