Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> af3e690ecb1460005b1bbaf40aac1e2ce3afabe7b8fc9365309e0c460434fe9f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^