Bug when using characters not in character catalog

[Phantom-Bird]

A bug will occur if you use a character not in character catalog (including trail and support characters).
This bug will NOT occur if using trial/support characters in catalog.
如果使用没抽到过的角色出战（包括试用和助战），将会发生 bug。
使用抽到过的试用/助战角色不会出现这种 bug。

Logs:

When battle starts:

13:58:14 [ERROR] veritas::subscribers::battle: BattleLineup Error: AvatarData 1221 was null
13:58:14 [ERROR] veritas::battle             : Event Error: AvatarData 1221 was null

13:58:15 [INFO ] veritas::battle             : Castorice has used [Talent] Desolation Across Palms
13:58:15 [ERROR] veritas::subscribers::battle: Avatar Skill Event Error: SkillData RowData was null
13:58:15 [ERROR] veritas::battle             : Event Error: on_use_skill Avatar Skill Event Error: SkillData RowData was null
13:58:15 [ERROR] veritas::subscribers::battle: Avatar Skill Event Error: SkillData RowData was null
13:58:15 [ERROR] veritas::battle             : Event Error: on_use_skill Avatar Skill Event Error: SkillData RowData was null
13:58:15 [INFO ] veritas::battle             : Tribbie has used [Talent] Busy as Tribbie
13:58:15 [ERROR] veritas::subscribers::battle: Avatar Skill Event Error: SkillData RowData was null
13:58:15 [ERROR] veritas::battle             : Event Error: on_use_skill Avatar Skill Event Error: SkillData RowData was null
13:58:15 [INFO ] veritas::battle             : PLAYER has used [Talent] Almighty Companion
13:58:15 [ERROR] veritas::subscribers::battle: Avatar Skill Event Error: SkillData RowData was null
13:58:15 [ERROR] veritas::battle             : Event Error: on_use_skill Avatar Skill Event Error: SkillData RowData was null
13:58:15 [ERROR] veritas::subscribers::battle: Avatar Skill Event Error: SkillData RowData was null
13:58:15 [ERROR] veritas::battle             : Event Error: on_use_skill Avatar Skill Event Error: SkillData RowData was null
13:58:15 [ERROR] veritas::subscribers::battle: Avatar Event Error: AvatarData 1221 was null
13:58:15 [ERROR] veritas::battle             : Event Error: on_use_skill Avatar Event Error: AvatarData 1221 was null
13:58:15 [ERROR] veritas::subscribers::battle: Avatar Skill Event Error: SkillData RowData was null
13:58:15 [ERROR] veritas::battle             : Event Error: on_use_skill Avatar Skill Event Error: SkillData RowData was null
13:58:15 [ERROR] veritas::subscribers::battle: Summon Event Error: AvatarData 0 was null

13:58:15 [ERROR] veritas::battle             : Event Error: on_use_skill Summon Event Error: AvatarData 0 was null
13:58:16 [INFO ] veritas::battle             : Battle has started
13:58:18 [INFO ] veritas::battle             : AV: 48.95

When the character uses skills:

13:59:12 [ERROR] veritas::subscribers::battle: Avatar Event Error: AvatarData 1221 was null
13:59:12 [ERROR] veritas::battle             : Event Error: on_use_skill Avatar Event Error: AvatarData 1221 was null
13:59:13 [ERROR] veritas::subscribers::battle: Avatar Event Error: AvatarData 1221 was null
13:59:13 [ERROR] veritas::battle             : Event Error: on_damage Avatar Event Error: AvatarData 1221 was null
13:59:13 [ERROR] veritas::subscribers::battle: Avatar Event Error: AvatarData 1221 was null
13:59:13 [ERROR] veritas::battle             : Event Error: on_damage Avatar Event Error: AvatarData 1221 was null
13:59:13 [ERROR] veritas::subscribers::battle: Avatar Event Error: AvatarData 1221 was null
13:59:13 [ERROR] veritas::battle             : Event Error: on_damage Avatar Event Error: AvatarData 1221 was null

[NuShen1337]

Support avatar is special that didnt handle it.