Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a624e4cdcf60a8d7d73336d1b7b845128b32cc5dbb02847d8161be29e6bc342:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^