Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f9dd894ec136f57df1abc4dc7bc4986f01760050c3afb45aae382f1a3fd6c96b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^