Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 67d3670d13030852f42bc68a368a996fc860168efe9055e5f80d7936739f2076:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^