Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1c4ca601e1eaf187390b3a664e5d322ba30114ec2ab84efbbf73d72b1bf47fda:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^