Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30b44274a1acf858d14d4593ca48921fc4454a318d0611f099690906a8e584f4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^