Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7be9e4495473e858ba115053a09dad6a141e1e8e0718cfcce76bca4d7ad5e66:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^