Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c132e9e5118a82508cb82f54d4c7c362488f1babbb2be01d5f5eefd54908c9fd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^