Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3c5020ea9bfde3fb2a3b199060770ec242e615597e84d34c00f38e14b96969e5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^