Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1707624929e70435281ba2edfbb10bc82c5dba7cf3e5d0bd86bd498f75d26804:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^