Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cb8a90a454bf8aa80695e19d26fadd355438bace52cb2da1473ea4b5fdaaa73d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^