Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a8c9beec11a5d4c97c2856a97c40d6e854c428096fb0ba0727211dd317f76512:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^