Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d5c9358b1441210452cc7b0ad264fc6491a5a6033defe1248d71ca0676084e2a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^