Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d29609b7923ce9f6cebadc2c4c5598f1aed44b3a8737f9d09d12ad375ecad9e0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^