Unable to update document using mongobooster 3.5.7 (free edition) on an old Mondo 2.4.10 db

I have a remote old Mongo server db (v2.4.10) which I can not update. I am able to read this database using the older version on mongobooster 3.5.7. I have been asked to do some simple updates.

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I am getting the following information in the console.log :

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Cannot use commands write mode, degrading to compatibility mode

#company_loans.update script:1:35 +0.414s

Updated 0 record(s) in 411ms

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In the error tab, I receive:

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{

"nMatched" : 0,

"nUpserted" : 0,

"nModified" : 0,

"writeConcernError" : {

"code" : 10054,

"errmsg" : "not master"

}

}

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Am I receiving these error because I am using the "Free Edition" or is it a version incompatibility issue? I am willing to purchase the old version if it addresses my issue.

Thanks,

Tom