Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e38f1b778b18c15e0c6d5f73c7c0a6de293711144dfcc920d62472d1f1e70ae3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^