Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f8b7e5577c98c31778a54e2f06fad8e98e6681d0b50e1a6b1a9a138ba672ddfa:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^