Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9aba6feeea0403923f8a3f2e9acc13050cbcf137a4116d2947929e5af8d7efea:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^