Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e11baf232edfebc56979af6c8c6b951b9c5e041019ff1fdb38cee1bc883c572b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^