Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b8ece2c4f7e7fadf254a3e16a006d9168beb98a7ac4095b12601710f781a6d09:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^