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I have a texas instruments BA II PLus calculator and keep getting error 5 when doing tvm? - tvm calculator

I have a Texas Instruments BA II Plus calculator and get the error message if have 5 TVM. I, for example, press 3 = n, 15000 = VF, 9870 = PV, PMT = 0, and then press CPT I / year and get the same error of 5 tables and cleaned valuesit return the manual says, says error 5