Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a8fea31a01455bd60940430fb34d635c882b29a47d24d1da7a26e90ceb7310b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^