Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7540c4038aa692135a74e246022c2e65fca6a16a329c921bd10f02e79d59f103:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^