Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 81dbd5c86a2e8e01d15692003d5843aa230d5184975d5a2dfdf469b3a6a4b1bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^