Command error "Line 1, Column 2 Missing '}' or object member name" (bedrock)

Hello I have a problem with a command the command is attached the command does not work because of an error "Line 1, Column 2 Missing '}' or object member name" this error occurs on several commands and I would like it to be fixed because this command would have been useful for one of my world . I also want this post to remain private because one of the attached images contains my Minecraft id. Thanks for your understanding and thanks for your help