Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 87d96b9fcc0a073dbdbe5f21c5b4069731c487a10b4982345aace13aaafdf99e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^