Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e283b1b4bf71b17f7548db2c6d499533e60ca4b3d6abb35da328faa1c817e40c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^