Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9c7e8a26ffa12a082b16c5b6a40c8cbc120716628dd0fc4b1d9929565b599e8c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^