Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d5d790d563f2a340c6f0accc6d4bf3fba6e41f135d4c435784b6454cb6b8262b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^