Certificates are not Generating

[Venkatesh-Dayani23]

Hi Team,
Recently we have upgraded to Sunbird 5.1.0 after the upgrade the Certificates are not generating. Below are the error logs.

certificatesign error logs

Credential template loaded from cache │
│ SyntaxError: Unexpected token s in JSON at position 0 │
│ at JSON.parse () │
│ at generateCredentials (/app/src/services/signerService.js:41:33) │
│ at generateCredentialsRoute (/app/src/routes/signerController.js:27:18) │
│ at process.processTicksAndRejections (node:internal/process/task_queues:95:5) │
│ at async Server. (/app/main.js:17:32)

registry service logs

Caused by: dev.sunbirdrc.registry.exception.SignatureException$UnreachableException: Unable to reach service: 500 Internal Server E │
│ rror: [{"error": "Internal Server Error", "message": Unexpected token s in JSON at position 0}] │
│ at dev.sunbirdrc.registry.service.impl.SignatureServiceImpl.sign(SignatureServiceImpl.java:96) │
│ at dev.sunbirdrc.registry.service.impl.RegistryServiceImpl.generateCredentials(RegistryServiceImpl.java:253) │
│ at dev.sunbirdrc.registry.service.impl.RegistryServiceImpl.addEntity(RegistryServiceImpl.java:197) │
│ at sun.reflect.GeneratedMethodAccessor80.invoke(Unknown Source) │
│ at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) │
│ at java.lang.reflect.Method.invoke(Method.java:498) │
│ at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) │
│ at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205) │
│ at com.sun.proxy.$Proxy97.addEntity(Unknown Source) │
│ at dev.sunbirdrc.registry.helper.RegistryHelper.addEntity(RegistryHelper.java:253) │
│ ... 66 common frames omitted

cc: @raghupathiguduri