Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 553db34069e5fc6bf75d473a253730369b6d17ddb9e82f6785a6e46fe69f8051:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^