Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 79ff804878ced262301a1bf17853469d675a4ac86a3f39d5b85942ded69a6e02:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^