Boston boss Steve Evans is frustrated at the departure of on-loan Barnsley forward Nathan Joynes, which has left him with just 12 senior players.
Evans told his club's website: "To say the least I am bitterly disappointed that we have not retained Nathan Joynes for the remaining four matches."
Financial problems have decimated their squad this season and led to delays in paying wages for players and staff.
The club is thought to be considering entering a CVA to avoid liquidation.
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