Hello
I am having some problems burning NRF52840 using nrfjprog version 10.9.0. When I write firmware through jlink and continuously burn multiple chips, failure often occurs, JLinkARM.dll reported "-1", an unknown error. After repeated burning failure, after a period of time (about a day) can be burned successfully. I do not know where the problem is, can you help to solve the problem? Here is the log: