Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 64958339d5e261a0739d4081046ffd8f1df5277efbea5e945b5f9ec3f1bacd88:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^