Got error 65535 'Unknown error code' from NDBCLUSTER

[J SLEEP]

Hello :
I am asking for help with a question.
version:MySQL Cluster Management Server mysql-5.7.30 ndb-7.6.14
In my development, I use stored procedures to implement logic
(INSERT DATA FROM NDB-TABLE INTO INNODB-TABLE, AT THE SAME TIME UNDO AUTOCOMMIT, SET MANUAL COMMIT, DATA AMOUNT IS 500W).
An error in the
( FAILED:Got error 65535 'Unknown error code' from NDB):
{2021-04-15T12:46:07.966745Z 0 [Note] InnoDB: page_cleaner: 1000ms intended loop took 4893ms. The settings might not be optimal. (flushed=93 and evicted=13, during the time.)
2021-04-15T12:50:36.800296Z 1341 [ERROR] /usr/local/mysql/bin/mysqld: Got error 65535 'Unknown error code' from NDBCLUSTER}
I don't know how to solve this problem.
thank you