Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4301844a6253b9d8b299acbd530fc0a5264e04462d751b51b019d0f33cb5b19f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^