Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2176f23c1f30079a61c4a2ab77388791db5ff4a38227026dbd04213d5de7ef5c:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^