Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7b059aa0d5d75f85bb86d5254b72038a6d1298f9bd4d178d560e2419803561cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^