Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9d0859355143b72537c1db687d4175726ef8154b5c59b749e3e9a73c9bea3cb3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^