Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8524e05431fc6170b11726d8ea829aa613a6d00c5df174b73d76c4b1bb18ba6b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^