Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6cddb7e6391ef107ac0152c0573bc09a03c63b22b918d596f8067afcd5a39856:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^