code: 1024 "Cannot generate rendition, master missing"

[calebmitcler]

Hello, sometimes i need to get a fullsize version of an image but i receive response:

{
"code": 1000,
"description": "Resource not found",
"errors": {
"type": [
"not in asset"
]
},
"subtype": "ResourceNotFoundError"
}

So i post to rendition endpoint to generate fullsize image. Sometimes it works but sometimes i receive response:

{
"code": 1024,
"description": "Cannot generate rendition, master missing",
"errors": {
"master": [
"must exist"
]
},
"subtype": "ImagecoreNoMasterError"
}
Why do i receive this response? When i change X-Generate-Renditions to '2560' it works. It only returns error when X-Generate-Renditions header is 'fullsize'