Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1ff370dc59d9a66b8999f71d9e4024d52f5976a6c5a76b25ddc13fc85feadb71:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^