Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b3b1bca65afababd75affee069c2ba8a771883e4e726da6c616fede16e2b87f:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^