Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 081e29021f5f11fb34f1f7dc2c025442e670be7d8f5c23065fcbb9ff6882e473:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^