Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> beeeeb1b7d80402cf6c09b22b81fc1e165e1b03177aefc5d1ec261574c4200e0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^