Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8dca7b74c523d5074364aea88f7aa17dc1ece36096b74d283bf984546bd2dcd2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^