Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f231e6210e0b4975b106e20c624a39b056893376bb40a7b4df4e88df9e23430b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^