Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 67c9838f73bbaf2b55b715a4f4fe1f46d8048d61f319b2f35cc171353ce32290:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^