EXCLUSIVE

Ja Rule & Billy McFarland Sued We Loaned You $3 Mil for Fyre Fest ... Where's the Money?!!

Ja Rule borrowed a huge chunk of change less than a month before the disastrous Fyre Festival ... and now the lender's come-a-knocking for some payback.

The Fyre hits keep coming for Ja and Billy McFarland. EHL Funding says it loaned the duo $3 million on April 10 -- 18 days before the festival -- to help cover costs. Gotta wonder where the dough went -- based on how Fyre turned out -- and now EHL is concerned it's not going to be repaid.

According to docs, obtained by TMZ, Ja and Billy are supposed to make weekly payments for the next year. EHL says it received a few payments on time ... totaling just under $900k, but it's been radio silence since April 21.

After nearly 3 weeks, the lender's pissed and says Ja and Billy have defaulted on the loan -- so, it's suing to get all the money back, plus interest ... STAT!

We've reached out to Ja and Billy's reps. No word back.

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