Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 61a9b2bc6440d7ba5c24762efcc848989cc7de82d1f6ad752c0491e84e4bab8d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^