Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 00535b6b5f3b8faf957907e03a84de9b7c5b2e43298e5d3b8219c9cb0709bd52:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^