Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2b89f0650b2653723b9983c0c6deca384d4d53f8740f9be8c217d9a404ed1166:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^