Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e62c4c581f8eb674fb98dece37f8a548c2e288d1783e8acd1eb07aeaaedc14ed:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^