Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d31b1fd2ced75143e62444089a9a050e9840119b99b6123c03a7c61cfe9b674c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^