Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b26ebe07e99031d494379dd255d9b84ab872f7db4a40917f1d2364ce729d8abf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^