Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 452b0352e2a3208bb925648e97cfb91120f6d39061ae5fcf09865cb28fabf749:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^