Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91de86820051d92b2c945b555126c0dd9b09d6786a12c3949fc07184a4e9c8db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^