Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a8bcdfe8aeed8bb3151da5544cf1f86ce6b402973250f6ca62bce566d602d9c4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^