Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7ea320495586a58730fb90d6043ddd45d98e95795ce9ed2d51bec88e5c68f8d6:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^