Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 214cde1e2c3f982021632e96a8dbce5245135a4a368c8fb0189cb7bfe278f07c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^