Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0ad1646c63b62b04868c5d18ceccfcb4d8257d9862010359de4f845ca49ce1b9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^