IndexError: list index out of range occurs

[mlgbcao666]

Hello, please tell me why this error IndexError: list index out of range occurs? I downloaded checkpoints and placed them under the OOTDiffusion folder. thank you in advance. 你好，请问我这个出现这个错误IndexError: list index out of range是怎么回事？我下载了checkpoints放在了OOTDiffusion文件夹下面。提前感谢您