Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a10715526db45e0a28f0b79bf7f3949e57d4e38d5cd454ea229cd238420011f9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^