Cannot read property 'toHexString' of undefined

[dlpigpen]

Describe the bug
I am using ethers big number version @ethersproject/bignumber": "5.5.0"

Reproduction steps
When start the project i found the issue " Cannot read property 'toHexString' of undefined"

../node_modules/@ethersproject/bytes/src.ts/index.ts:55
    return !!(value.toHexString);

[ricmoo]

You are probably passing undefined into something that you shouldn’t. You need to include a better code snippet though for me to better diagnose the problem.