Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20fdc99c54093343810e45d8bae935eefe6cbde1a8e8923159e1d44359532632:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^