Could not load lookup=LOOKUP-useragentstrings

[kareem]

In Splunk ES and the platform, this error keeps appearing and I couldn't resolve it.
Could not load lookup=LOOKUP-useragentstrings

[kareem]

Even when I search for anything, it shows me this error.

[inventsekar]

Hi @kareem 

Please search in the lookups and in the lookup definitions the automatic lookup named "useragentstrings", probably it's missed or there are some missed fields.

Could you pls copy paste the whole SPL query (remove hostnames, important details, etc)

[kareem]

Even when I search for anything, it shows me this error, it's missed I couldn't find it in lookup, is there any source to downlow the lookup=LOOKUP-useragentstrings.csv