Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b7e139326649f5d041da82f72ce8e19d6964b2a3e3f0955d2bf2bd2b018d838a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^