Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f9ddc70fb60b3accd9b6c205166d4acc3ecb52f77c522a8923b25731befd7ae1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^