Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1371d495ace860da112910591c40b17a498896af4cad641f487606719054adb6:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^