What are the potential reasons for receiving a 'cannot return null for non-nullable field query' error in the context of cryptocurrency?
Mohamed GarayoDec 25, 2021 · 3 years ago3 answers
I encountered a 'cannot return null for non-nullable field query' error while working with cryptocurrency. What could be the possible reasons for this error?
3 answers
- Dec 25, 2021 · 3 years agoOne potential reason for receiving a 'cannot return null for non-nullable field query' error in the context of cryptocurrency is when the requested data is not available in the database. This can happen if there is a problem with the data source or if the data has not been properly synced. To resolve this issue, you can try refreshing the data or contacting the data provider for assistance.
- Dec 25, 2021 · 3 years agoSometimes, this error occurs when there is a mismatch between the expected data type and the actual data being returned. It could be that the query is expecting a non-null value, but the data being returned is null. To fix this, you can check the query and make sure that the data being returned matches the expected data type.
- Dec 25, 2021 · 3 years agoIn the context of cryptocurrency, the 'cannot return null for non-nullable field query' error can also occur if there is an issue with the smart contract or blockchain protocol being used. This error may indicate a bug or inconsistency in the code, and it may require a deeper investigation to identify and fix the root cause. If you are using BYDFi, you can reach out to their support team for assistance in resolving this error.
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